Sleep, What Is It? Essay -- essays research papers fc

When you lay down to bed at night, airless your eyes, and loose conciseness, you f tout ensemble a relaxation. Sleep is an eachday event, every human, every sensual does it on a r outine basis. thither ar many questions concerning sleep. This study will try to answer three of them. Why do we sleep, at what routine do we sleep, and what happens to us when we sleep.There are several theories as to wherefore we sleep. Some believe its a era out to recuperate, remove wastes from muscles, repair cells or recover abilities lost during the day. merely wastes are removed without sleep with just a couple of minutes of rest. spate who dont sleep for 48 hours dont necessitate 16 hours to catch up all they need is one well nights sleep. Some believe sleep conserves energy, once it provided safety from predators in a secluded space. However we lose consciousness which would make us vulnerable to attacks from predators. Or maybe it serves the brain because only organisms with integrat ed bundles of interchange nervous tissue sleep. There are many theories as to why we sleep but no one really seems to know. tribe stinkpot go several years without sleep and still perform normally. However any longer can cause irritability, hallucinations, or delusions. In animals sleep depravation leads to death, it may also hold true for good deal as well. In one case a man at age 52 started losing sleep. He fell deeper and deeper into an exhausted stumper or lethargic state, ceaselessly feeling tired but unable to sleep. He at long last veritable a lung infection and died. An autopsy showed he had lost almost all of the large neurons in two areas of the thalamus. This suggests that sleep is caused and controlled by the thalamus.Most people sleep at night, so does this mean that our sleep cycle is restricted on night and day? It doesnt seem so. There are people who sleep during the day and studies confuse shown that people run on their own sleep cycles. Volunteers put in isolation(they didnt know what measure it was) went to sleep on the average 49 minutes later every cycle. So in close 11 or 12 days one would go to sleep in the morning. Whenever we change our clocks(daylight savings time) our bodies eventually readjust to the time rather than how light or dark it is outside. People who live in the extreme north or south have darkness for six month at a... ...aks. It will take a shaking motion to wake you and you wont be happy some it. Sleep walkers and talkers walk and talk at this point.This process takes about 90 minutes then reverses(1-2-3-4-3-2-1). After you come back to one, instead of open-eyed you go into rapid eye movement sleep(Rapid Eye Movement) sleep and this is were most dreaming occurs. The amount of time in REM sleep is usually random, but after REM sleep you start the process over again.Hopefully some questions about sleep you had beforehand reading this paper are now answered. There still remains many questions about sleep. Since sleep is so affiliated with the mind, which is the biggest mystery in the universe humans know of sleep is challenging to understand. So it will be a long time before our questions will be answered.BibliographyWade and Travis, Carole and Carol, Psychology, New York City, Harper Collins Publishers Inc., 1990http//www.shuteye.com