Thursday, September 3, 2020

Alaskan Oil Spill essays

Alaskan Oil Spill papers Oil slick Brings Environmental Problems to Alaska December of 2004 brought an overwhelming oil slick to the Bering Sea of Alaska and has given numerous issues the earth of this territory. The Malaysian Selendang Ayu was in course to its goal when it was grounded in the Bering Sea. This caused the load boat to part dumping enormous measures of fuel into the ocean. It has been evaluated that 321,047 gallons of moderate evaluation fuel and 18,000 gallons of diesel fuel were lost in this catastrophe. The numbers are far not exactly the eleven million gallons that were lost in the oil slick of the Exxon Valdese in 1989, yet the result of this spill is carrying demolition to the territory. The establishing site for the boat is a refuge for some, ocean feathered creatures and marine warm blooded animals. It is situated in part of the Alaska Maritime National Wildlife Refuge. This territory is frequented by Stellar Sea Lions, Stellar Elders, and Aleutian Sea Otters. These species are viewed as jeopardized, and this is creating an untamed life issue in that regard. In excess of 1,600 feathered creatures have been affirmed dead from the mishap as of now. Oil has been found on bald eagles and on the hide of red foxes. Trouble has shown up for researchers who are attempting to inspect the natural effects of the oil slick. The issues are originating from the furious climate, deceptive landscape, remoteness of area, and absence of sunlight because of the winter light time in Alaska. Extra investigations are expected to decide the quantities of fowls executed and the species that are included. A portion of the Alaskan sea shores have up to four feet of soybeans stacked along their shoreline. The Selendang Ayu was shipping 60,198 metric huge amounts of soybeans to China. The team individuals were for the most part emptied. Be that as it may, six individuals were murdered during salvage endeavors when a huge wave caused the Coast Guard salvage helicopter to crash. ... <!

Sunday, August 23, 2020

The Boston Massacre and Other Contributing Factors of the Revolutionary

The Boston Massacre and Other Contributing Factors of the Revolutionary War The Boston Massacre was by all account not the only aim of the Revolutionary War. There were numerous occasions when that likewise added to the beginning of this war. They were the Sugar Act, Stamp Act, Declaratory Act, Townshend Act, Quartering Act, Tea Act, the Boston Tea Party, and Coercive Acts. One of the first charges put on the settlements by Britain was the Sugar Act. The Sugar Act of 1764 was to fund-raise to assist Parliament with running the settlements. This demonstration put an assessment on products, for example, molasses, espresso, and sugar. It additionally expected shippers to have a nitty gritty diagram of their cargoes. Dealers could likewise be attempted in office of the chief naval officer courts. Whenever indicted, the wrongdoers lost both the freight and the boat that conveyed it. Most pioneers accepted they should just be burdened by an administration they had chosen. They didn't care for this imposing taxes without any political benefit. The Stamp Act was then passed to help fund-raise to run the states. The Stamp Act was passed by Parliament in March 1765. This Act burdened the utilization of pieces of literature, for example, deeds, marriage licenses, commercials, papers, confirmations, customs reports and in any event, playing a game of cards. Numerous provincial congregations were against this tax assessment and composed petitions requesting the annulment of this demonstration. The principal open obstruction were riots brought about by the Sons of Liberty who had faith in real life instead of talk. In this way, Parliament canceled this Act and afterward passed the Declaratory Act The Declaratory Act was an announcement of intensity. It said the settlers were heavily influenced by Parliament and they could pass any law they needed. This Act didn't settle the issue of tax imposition without any political benefit. At the point when the Stamp Act was revoked, the colo... ...s Preston's Account of the Boston Massacre: http://odur.let.rug.nl/~usa/D/1751-1775/bostonmassacre/pres.htm Mysterious. The Boston Massacre: http://www.tiac.net/clients/amerins/mass.htm Cameron, F. Boston Massacre: http://hana.asij.ac.jp/basic/joins/currlink/5-m/cameronf.htm Francis, Russell. Lexington, Concord and Bunker Hill. Mahaw, NJ: Troll Associates, 1963. Garraty, John. American History. New York, NY: Harcourt Brace Jovanovich, 1982. Garraty, John. American History. New York, NY: Harcourt Brace Jovanovich, 1982. Garraty, John. The Story Of America. Austin, TX: Rinehart and Winston, 1994. McDowell, Bart. The Revolutionary War. Washington,DC: National Geographics Society, 1967. Muzzey, David. The american People. Boston, MA: Ginn and Company, 1927. Morrison, Alex. The Cause of the Revolutionary War: http://www.ctbw.com/amorris.htm

Saturday, August 22, 2020

s Contradictions

The Washington Times March 26, 2004 â€Å"Clarke’s contradictions† This article appears to show the entirety of the deficiencies with Mr. Clarke’s attestations about the war in Iraq and the presidents needs with regards to the war on fear based oppression. The article announced that â€Å"under softball addressing from a Democratic individual from the September 11 board, previous Rep. Tim Roemer, Mr. Clarke attested that there was â€Å"no higher† need than battling fear based oppression under previous President Clinton, however that the Bush organization â€Å"either didn’t trust me that there was a critical issue or was ill-equipped to go about just as there were an earnest problem.† The article is by all accounts for the current presidential organization and need to show the error in Mr. Clarke’s suppositions and declaration. The New York Times March 26, 2004 â€Å"The Wrong War† by Robert Herbert. This article claims Mr. Clarke is reliably directly on the realities. Mr. Clarke guaranteed the President needed a war with Iraq, he wrote in his book â€Å"Against All Enemies† that notwithstanding clear proof the assault had been crafted by Osama receptacle Laden and the Al Qaeda, that organization authorities concentrated very quickly on the object of their fixation, Iraq. Mr. Clarke told an hour that â€Å"a war under these conditions was practically identical to President Roosevelt, after Pearl Harbor, choosing to do battle with Mexico as opposed to doing battle with Japan.† I have learned through this class if need the entire story on anything to do with our countries administration or the manner in which the nation is being ran you should peruse at any rate 2 diverse news papers a day and still clutch your skepticisms.... 's Contradictions Free Essays on Clarke's Contradictions The Washington Times March 26, 2004 â€Å"Clarke’s contradictions† This article appears to show the entirety of the deficiencies with Mr. Clarke’s attestations about the war in Iraq and the presidents needs with regards to the war on psychological oppression. The article revealed that â€Å"under softball addressing from a Democratic individual from the September 11 board, previous Rep. Tim Roemer, Mr. Clarke attested that there was â€Å"no higher† need than battling psychological warfare under previous President Clinton, yet that the Bush organization â€Å"either didn’t trust me that there was a critical issue or was ill-equipped to go about just as there were an earnest problem.† The article is by all accounts for the current presidential organization and need to show the incorrectness in Mr. Clarke’s conclusions and declaration. The New York Times March 26, 2004 â€Å"The Wrong War† by Robert Herbert. This article claims Mr. Clarke is reliably directly on the realities. Mr. Clarke guaranteed the President needed a war with Iraq, he wrote in his book â€Å"Against All Enemies† that regardless of clear proof the assault had been crafted by Osama container Laden and the Al Qaeda, that organization authorities concentrated very quickly on the object of their fixation, Iraq. Mr. Clarke told an hour that â€Å"a war under these conditions was practically identical to President Roosevelt, after Pearl Harbor, choosing to do battle with Mexico as opposed to doing battle with Japan.† I have learned through this class if need the entire story on anything to do with our countries administration or the manner in which the nation is being ran you should peruse in any event 2 distinctive news papers a day and still clutch your skepticisms....

Friday, August 21, 2020

Using the Spanish Verb Llegar

Utilizing the Spanish Verb Llegar In spite of the fact that llegar normally is made an interpretation of as to show up, it has a more extensive scope of employments than does the English word and is regularly utilized metaphorically. To come is likewise a typical interpretation. Remember Llegar for the most part conveys showing up at a goal, either truly or figuratively.Llegar a followed by ser or another infinitive conveys the possibility of landing in an objective or circumstance out of the blue or after extensive effort.In terms of articulation, llegar is conjugated normally, albeit some of the time its spelling changes to suit the closure. Utilizing Llegar for Arriving In its most normal use, llegar alludes to landing in a spot. The goal is regularly gone before by the relational word an, and de can be utilized to show the source: Por balance llegamos a Madrid. (We at last showed up at Madrid.)Cuando llego a casa hago mis tareas. (At the point when I return home Ill do my homework.)Llegaron a Mã ©xico los cuerpos de estudiantes muertos en Ecuador. (The assortments of the understudies slaughtered in Ecuador showed up in Mexico.)Llegaron de diferentes partes de Espaã ±a. (They originated from various pieces of Spain.)Hay miles de refugiados que llegan de frica. (There are a great many evacuees who are showing up from Africa.) As can the English word show up, llegar can likewise allude to the happening to a period: Llegã ³ la hora de la verdad. (The critical point in time is here. Actually, the hour of truth came.)Ya llega la primavera. (Spring is as of now here. Truly, spring previously showed up.) Utilizing Llegar for Reaching a Goal Llegar can regularly allude to the coming to of an objective, physical or something else: Los tres mexicanos llegaron a la cima del Everest. (The three Mexicans arrived at the highest point of Everest.)El museo llegã ³ a las 100.000 visitas en menos de un aã ±o. (The historical center arrived at 100,000 visits in under a year.)Microsoft y Marvel llegaron an un acuerdo para distribuir los videojuegos. (Microsoft and Marvel agreed for appropriating video games.)No puedo llegar a blade de mes. (I cannot make it as far as possible of the month.) The expression llegar a ser commonly recommends a long or troublesome time of progress to become something: Nunca lleguã © a ser specialist. (I never turned into a doctor.)Diez de estas tribus llegaron a ser la Europa moderna. (Ten of these clans became present day Europe.) ¿Cà ³mo fue que los computadores llegaron a ser parte de nuestra sociedad? (How could it be that PCs came to be a piece of our general public?) Llegar With Infinitives When llegar an is trailed by an infinitive, it is frequently what could be compared to the English to come to. It regularly conveys the meaning that the action is extraordinary, bizarre, or surprising. Note how an assortment of interpretations can be utilized: Algunos seguidores del candidato llegaron a llorar mientras escuchaban a su lã ­der. (A portion of the up-and-comers devotees even cried while tuning in to their leader.)Los Leones nunca llegaron a ganar un campeonato. (The Lions never came to win a championship.)Llegà ³ a decirme que mi pequeã ±a period mocosa. (He ventured to such an extreme as to reveal to me that my little one was a brat.)Lleguà © a comprender lo que querã ­a decir. (I even came to comprehend what he needed to state.) Figures of speech Using Llegar Llegar is utilized in an assortment of figures of speech and set expressions. Here are a few models: La secuela no llega a la suela del zapato al unique. (The continuation doesnt compare to the original.)Las negociaciones entre el equipo y Gustavo Torres llegaron a buen puerto. (The arrangements between the group and Gustavo Torres arrived at an acceptable conclusion.)La empresa que no construya confianza no llegar lejos. (The business that doesnt fabricate certainty wont get far.)El cantante llegã ³ y besã ³ el santo con su canciã ³n Silencio. (The vocalist had accomplishment on his first attempt with his melody Silencio.)Afortunadamente no llegã ³ la sangre al rã ­o, gracias a la rpida reacciã ³n de mis amigos. (Luckily, there were no genuine outcomes, because of the speedy response of my friends.)Despuà ©s de insultarse, llegaron a las manos. (In the wake of offending one another, they got into a fight.) Conjugating Llegar Llegar is conjugated consistently as far as accentuation, yet not as far as spelling. The last g should be changed to gu when followed by an e. This happens in the main individual demonstrative preterite (lleguã ©, I showed up) and in the subjunctive and basic temperaments. Along these lines it follows the example of pagar.

Advantages and Disadvantages of Public Transport free essay sample

These days, numerous sorts of open vehicle can be seen out and about, despite the fact that individuals drive their own vehicle. It is typically on schedule and prudent. Right off the bat, one of the favorable circumstances is that utilizing open vehicle is conservative. Taking transports and prepares is less expensive than utilizing private vehicles. In the event that individuals have their own vehicle, they need to pay a great deal of cash for administration, fixes, and protection. It perhaps will cost all the cash individuals win. In addition, there are numerous limits for certain people, similar to understudies, elderly individuals, and kids. They can get less expensive costs by taking open vehicle. Understudies need to go to class consistently, and they as a rule take open vehicle to class and home. It is progressively conservative for understudies. What's more, a further favorable position is that utilizing open vehicle can protect the earth. It can diminish contamination, on the grounds that there are less vehicles driving out and about, and there are less exhaust and furthermore less roads turned parking lots. We will compose a custom paper test on Favorable circumstances and Disadvantages of Public Transport or on the other hand any comparable subject explicitly for you Don't WasteYour Time Recruit WRITER Just 13.90/page Besides, it can build the spaces in the city, on the grounds that there are less vehicles leaving. Taking transports and prepares can keep the earth green, However, one of the disservices is that utilizing open vehicle is badly designed. It very well may be packed. For example, there are in every case an excessive number of people on a similar transport in heavy traffic. Perhaps cheats are on the transport they take. The open vehicle doesn't work 24 hours every day. Individuals need to follow the time table, so they should sit tight for it. Besides, now and then, it doesn't head out to suburbia, so people need to stroll for quite a while to arrive at the spot they need to go. On the off chance that individuals have a significant work at the suburb, it is badly designed. Taking everything into account, in spite of the fact that there are a few issues of utilizing open vehicle, individuals should at present take it to go to class or to head out to work, on the grounds that the general favorable circumstances of taking open vehicle are more than the weaknesses.

Friday, July 10, 2020

An Essay On Caring For The Elderly Can Be Effective

An Essay On Caring For The Elderly Can Be EffectiveThere are several reasons why a person would write an essay on caring for the elderly. They want to be able to give something of substance that will not only help their potential employers, but can be a part of the training for their future employers. If they are a caretaker, they may also be looking to teach others about the value of this occupation. They may have something to say about the meaning of life and what they were able to accomplish while doing it.However, one could also simply want to get their opinion about how the world is changing. The essay is a very informal way to do this. There is usually no one to pressure them into producing something better. Many would be happy to do it for fun and as a way to connect with the rest of the world.Caretakers are a source of many people. This is often a point that employers take note of. It is important to offer them the space to do so. They should be given all the tools and inform ation necessary to be successful in their career. The task may be difficult for some, but once they get started it will become easy.Caretakers are the lifeline of many organizations. Many have followed up caretakers with an organization where they are an important part of the success. Many also have found a way to develop valuable connections with other caretakers through their involvement. There is little doubt that a career in this field will be successful for many.Many families now find themselves searching for someone who can provide care for their elderly relatives. This may be a reason for taking a more formal education degree for those interested in the caregiving profession. However, those who are already employed in the field will find the essay to be helpful in their future employers. Caretakers will find that their organizational advancement is contingent upon their ability to be able to use their experience to help others. This may require more work than is needed in mos t cases. When they give an honest assessment of their accomplishments, they will be more than satisfied with the quality of care that they provide. They will also be more inclined to give their opinions when asked about different areas of expertise.Individuals who seek employment in this field will find that they have a variety of options. The goal is to learn as much as possible about their career. They will then be able to give a great number of very good answers to questions regarding their career goals.

Wednesday, June 10, 2020

The Effects of Sleep Deprivation - Free Essay Example

The effects of sleep deprivation (SD) have been studied for over a century and are not only limited to cognitive deficits but whole body deterioration as well. Research has shown that the body reacts to sleep deprivation by affecting gene expression, cellular responses in organs and tissues, and overall homeostatic balance. These result in leaving the body with a greatly increased chance for contracting life threatening illnesses. Many studies have been done on animals and humans to further gain a deeper understanding to the many biological effects caused by sleep deprivation. The Center for Disease Control conducted a census for the United States population concerning sleep duration, which showed that 34.9% to 35.5% of adults over the age of 18 in 2014 slept less than 7 hours a night (Sleep-CDC, 2017). This means that a little over a third of Americans are in a state of chronic sleep deprivation. To understand sleep deprivation and its effects, the basic concept of the sleep cycle and what occurs throughout it must be understood. There are four stages of non rapid eye movement (NREM) sleep followed by one stage of rapid eye movement (REM) sleep totals to five total necessary stages of sleep. The brains neuron ability to integrate new memories into long term memories is primarily done in the NREM stages. According to the National Sleep Foundation, during the fourth NREM stage, known as the restorative stage, the body repairs muscles and tissues, stimulates growth and development, boosts immune function, and builds up energy for the next day (Robbins, 2015). The REM stage of sleep contributes mostly to brain consolidation and information processing, which in turn contributes to learning and memory operations. Two internal biological processes work together to regulate sleep and wake states. They are known as circadian rhythm and sleep-wake homeostasis. Circadian rhythm impacts hormone release, body temperature, digestion, and sleep cycles among other functions. Sleep-wake homeostasis regulates the bodys primal need for sleep by adjusting substances such as adenosine that build up in the cerebrospinal fluid, and that increases with each hour a person is awake, only to be alleviated to lower levels when sleeping takes place (2). Researchers who conducted a review on the neurobiological consequences of sleep deprivation covered a plethora of issues as sleep deprivation relates to brain function, learning and memory, neurogenesis, inflammatory responses, and cognition related signaling molecules. On the review of brain function as well as learning and memory, past research has shown that as the body continually seeks to reinstate homeostasis by attempting to sleep during forced consciousness, the stress to the system becomes an allostatic load. (Alkadhi, 2013) This is a negative physiological ramification of repeated exposure to stress on the body, causing damage to the various systems within. The allostatic load can cause a modification in the location of the set point for the engagement of homeostasis. When this point is not where it should be, the structural and functional brain regions that are involved in memory can be altered. An allostatic load exposed to the body for a long period of time can lead to b odily breakdown and disease resulting in diabetes, cardiovascular disease, and other illnesses (Alkadhi, 2013). Sleep deprivation inhibits neurogenesis and the brain derived neurotrophic factor (BDNF) by the stress it projects onto the bodys system and brain. BDNF is a protein produced in nerve cells and is one of the most active neurotrophins that stimulate and control neurogenesis, cognition, and neuronal plasticity. Cognition deficits exacerbate the brains abilities for mood regulation, which leads to anxiety, depression, and anger. Compromises in immune system function have also been found in sleep deprived individuals. Not only is the bodys immune system subject to suppression, resulting in decreased ability to fight off bacterial attacks, but findings also show elevations in cytokine secretions resulting in an increased inflammatory response throughout the body. A study done on measuring the levels of cellular and genomic markers of inflammation related to increased cytokine responses of sleep deprived individuals by several renowned scholars has shown a 3-fold increase in transcription of interleukin 6 messenger RNA and a 2-fold increase in tumor necrosis factor ? ± messenger RNA (Irwin et al, 2006). Their findings proved that sleep loss altered the molecular activities that propel cellular immune initiation and induced inflammatory cytokines. Unregulated inflammatory mechanisms can greatly increase risk for cancer, cardiovascular disease, diabetes, arthritis, and metabolic and neurodegenerative diseases. Endocrine organs that are affected by sleep deprivation experience increases and decreases in hormones that help regulate the body. The thyroid stimulating hormone that regulates metabolism decreases while levels of the human growth hormone increase. These high levels of HGH impact glucose tolerance and lead to anti-insulin effects where the body has issues absorbing glucose in the blood. The pituitary gland releases hormones that direct the release of other hormones from the peripheral endocrine glands. This ability is greatly influenced by sleep where pituitary dependent hormones react to sleep deprivation by increasing cortisol and promoting insulin resistance. During the absence of sleep, the body decreases leptin, the appetite suppressing hormone, and increases ghrelin, a hormone that stimulates appetite. These unregulated hormones lead to the risk of obesity and diabetes. Sleep deprivation alters gene expression in numerous areas in the body. There are two major steps in gene expression. One is transcription, which is the process of copying DNA to make RNA. The other process is translation, which is the process of interpreting the RNA into proteins to perform other functions within the cell. Eryn Brown reviewed a recent study done by genomist, Colin Smith, on gene expression and sleep deprivation, it was found that a total of 711 genes were affected by SD in the encoding process. These genes had changes in their rhythmic patterns of on and off timing meaning that their normal activity was either intensified or reduced. About 444 genes were turned down while 267 were amped up. Resulting in an unbalanced regulation and ultimately an alteration of genes (Brown, 2013). Findings showed that the majority of the genes affected were involved in metabolism, gene regulation, stress responses, and regulating sleep homeostasis. When gene regulating genes are aff ected, a domino effect is created causing numerous negative changes in many areas of the body. In conclusion, sleep is a crucial component for the body for various reasons. Sleep is critical for restoring homeostasis within the body. Once sleep deprivation takes place, the body undergoes a severe stress reaction that it continually seeks to overthrow. Internal systems start to malfunction and an absence of necessary activities within the body start causing damage. This damage can include issues regarding hormone release that affect appetite, disruptions in the sleep cycle, negative immune responses, and difficulties in brain function, and altering gene expression regulations within the body. Sleep is also very important for information processing and the consolidation of memories. The body needs to go through the stages of NREM and REM sleep to initiate neuronal activity and repair for muscles and tissues in the body, as well as to regulate various hormones that affect digestion, blood glucose levels, inflammatory responses, and cognition stimulation. Cardiovascular, neurodege nerative, and metabolic diseases can also affect the body if equilibrium is not reinstated. Risk for cancer, arthritis, and severe mood changes are more prominent for sleep deprived individuals as well. Changes on a cellular level make the concept of sleep deprivation more complicated than just feeling tired. The different systems within the body continually fight for stability and when the fight is lost and sleep is continually prevented, alterations throughout the body take place. Therefore, sleep is a vital component in keeping the intricate inner workings of the body in proper functioning order. Works Cited Robbins, McLean. Understanding Sleep Cycles. Sleep.Org, Sleep.Org, 25 Feb. 2015, www.sleep.org/articles/what-happens-during-sleep/. HOW SLEEP WORKS SLEEP-WAKE HOMEOSTASIS-. Sleep How Sleep Works Sleep-Wake Homeostasis, www.howsleepworks.com/how_homeostasis.html. (2) Benington, Joel H. Sleep Homeostasis and the Function of Sleep. Sleep, vol. 23, no. 7, Jan. 2000, pp. 1-8., doi:10.1093/sleep/23.7.1j. Sleep deprivation as a neurobiologic and physiologic stressor: Allostasis and allostatic load. (2006, September 15). Retrieved from https://www.sciencedirect.com/science/article/pii/S0026049506002289 Tobler, Irene, and Peter Achermann. Sleep Homeostasis. Scholarpedia, www.scholarpedia.org/article/Sleep_homeostasis. Circadian Rhythms. National Institute of General Medical Sciences, U.W. Department of Health and Human Services, www.nigms.nih.gov/Education/Pages/Factsheet_CircadianRhythms.aspx Brain Basics: Understanding Sleep. National Institute of Neurological Disorders and Stroke, U.S. Department of Health and Human Services, ninds.nih.gov/Disorders/Patient-Caregiver-Education/Understanding-Sleep. Alkadhi, Karim, et al. Current Neuropharmacology, Bentham Science Publishers, May 2013, www.ncbi.nlm.nih.gov/pmc/articles/PMC364877/. Grant, Leilah K., et al. Behavioural Brain Research, U.S. National Library of Medicine, 15 Feb. 2018, www.ncbi.nlm.nih.gov/articles/PMC5957758/. Mandal, Ananya. What Are Cytokines? News-Medical.net, 23 Aug. 2018, www.news-medical.net/health/What-are-Cytokines.aspx. Irwin, Michael R. Sleep Deprivation and Activation of Morning Levels of Cellular and Genomic Markers of Inflammation. Archives of Internal Medicine, American Medical Association, 18 Sept. 2006, jamanetwork.com/journals/jamainternalmedicine/fullarticle/410868?resultClick=1. Hanlon, Erin C., and Kristen L. Knutson. Sleep Deprivation and Metabolism. Sleep Deprivation and Disease, Dec. 2013, pp. 111-129., doi: 10.1007/978-1-4614-9087-6_10. Brown, Eryn. Sleep Deprivation Has Genetic Consequences, Study Finds. Los Angeles Times, Los Angeles Times, 1 March. 2013, articles.latimes.com/2013/mar/01/science/la-sci-sleep-genes-20130302. Elliott, Alisa, et al. SpringerPlus, Springer International Publishing, 2014, www.ncbi.nlm.nih.gov/pmc/articles/PMC4406616/. Siddique, Ashik. One Week of Sleep Deprivation Disrupts DNA Expression; A Third of Americans at Risk. Medical Daily, 26 Feb. 2013, www.medicaldaily.com/one-week-sleep-deprivation-disrupts-dna-expression-third-americans-risk-244519. Meller-Levet, Carla S., et al. Effects of Insufficient Sleep on Circadian Rhythmicity and Expression Amplitude of the Human Blood Transcriptome. PNAS, National Academy of Sciences, 19 Mar. 2013, www.pnas.org/content/110/12/E1132. Sleep and Sleep Disorders. (2017, May 02). Retrieved from https://www.cdc.gov/sleep/data_statistics.html