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Importance Of Sleep And Sleep Behavior

796 words - 4 pages

Sleep is an important aspect of any humans life, we rebuild lost muscle ,repair damaged body parts and rework all the work we did during that days. As we age we require less sleep because we aren’t devolping as much as an earlier age. When infants we need 16 to 20 hours of sleep a day , then by the age of 3-5 it decrease to about 11-13 hours a sleep a day. During the age of adolescence it is a healthy choice to sleep 9 hours a night. Adults recommended about 8 hours of sleep. Although some people claim that even after a long binge sleep session they still feel sleepy and groggy. This an be traced to the issue that they could’ve been awoken in the middle of a sleep cycle. The body is in a deep sleep and is not physically or naturally supposed to be awoken during this stage of sleep.  Power naps might be a self thought plan to refresh the body bu it all depends on how long you nap for. 20 minute power naps will help your brain feel a little refresh, but the longer you take the more dangerous into the zone where when you wake up you will feel groggy and worse. An hour and a half is an amount where you might be coming out of a sleep cycle so that would be an ideal time to wake up. The body has a built in clock that keeps itself on a rhythm called the Circadian clock. The circadian clock adapts to when the body most likely will go to sleep and wale up. After a while on that scheduled the body becomes used to it and trying to alter it quickly will greatly throw off the body. The wake sleep cycle in the circadian clock is directed by the used of melotinin. The chemical causes drowsyness and lowered body temperature to help the body sleep and then is blocked when it is time to be awoke.

The body sleeps in cycles and each of each one deeper than the last. The first stage is a twilight stage where the body is not fully asleep but not awake. The second stage is one where the body is asleep but in a light sleep and can be woken easily. Stage 3 and 4 are similar, they are both deep sleep but 4 is deeper than 3. Stage 5 is REM sleep where the brain is most active....

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