Have you ever gone to bed wondering how sleep affects your physical and mental health? Sleep affects our physical heart and our mental health (disorders, etc.). Some doctors say that lack of sleep causes our heart to deteriorate. In the article. “Sleep problems can increase the risk of heart attack and stroke.” A Harvard professor stated, “Sleeping less than four or five hours a night for three or four nights has measurable effects on the effects of insulin and cortisol” (Harvard's Dry Redline). Harvard had done research and conducted observational studies linking poor sleep quality with poor cardiovascular outcomes. The article states that sleep apnea causes the back of the throat to relax, resulting in a lack of oxygen. . There are several ways in which sleep problems affect the heart in many ways. In people with sleep problems, blood pressure does not drop and may even increase. High blood pressure damages the line of blood vessels. Researchers have found a way to link sleep with education. Gary Scarpello, who wrote "Sleep Lack Could Be a Problem for CTE Students," conducted a study with Liberty Mutual that showed that teens sleep an average of 7.2 hours on school nights and that from 33 to 75% of all students have sleep problems. the article stated that not getting enough sleep can cause problems with hand-eye coordination, reaction times, and brief mental lapses (Scarpello) they also found that sleep helps restore and regulate brain functions such as alertness, metabolism, and memory hormones (Scarpello). Researchers Mary A. Carskardon and A. R. Wolfson studied 3,120 Rhode Island children. They had found that college students who slept more than nine hours a night had a large... half of paper.... ..pr; 20(4): 267–277. Gaultney, Jane F. and Janice Collins-McNeil “Sleep Lack in the Workplace: What the Psychologist-Manager Should Know.” (2009): 132-148.PsycARTICLES Web, October 23, 2013Fitzgerald, Heather. “How Lack of Sleep Affects Health.” Active Life 21.2 (2012): N10. SPORTS Discus with full text.Web. October 23, 2013. lnce, Susan. "The Science of Sleep." Writing and reading in the curriculum. Eds. Laurence Behrens and Leonard J. Rosen. New York: Pearson Longman, 2008. 512-520. Print.Scarpello, Gary. “Lack of sleep could be a problem for CTE students.” Techniques: Connecting Education and Career 85.2 (2010): 8-9. Academic research completed. Network. October 23, 2013..."Sleep problems can increase the risk of heart attack and stroke." Harvard Heart Letter 23.11 (2013): 5. Academic research completed. Network. October 21st. 2013.