Sleep :: Biology Essays Research Papers

relief stay has plagued the instauration of complex organisms since their evolution early on in the formation of Earth. Although at that place are various stages to the catch some Zs cycle, essentially superstar falls into a temporary coma for a a couple of(prenominal) hours separately day. It seems totally false that evolution would dictate a system where iodine lets down their adjudge for hours every day, leaving one prone to a deadly attack. It seems a fairly logical assumption that residuum is exceedingly important to livelihood if, in order to arrest some rest, animals in the wild irrationally risk their lives. Our bodies are telling us that they restrain run at full capacity for long enough, and therefore study to replenish worthy resources. In researching sleep, I found replenish to be a appoint word. During the day, ones body is constantly metabolizing ingested food and water, turning them into utilizable forms of energy. The body dep letes a great deal of its energy stores (glycogen, mostly) and also experiences a large buildup of noxiousant byproducts (lactic acid, for example) during the day.1 Therefore, it is absolutely necessary to replenish these lost stores and get rid of the toxic chemicals coursing through your blood. Four hours seems to be the minimum amount of clock one prat sleep per night in order to coherently function during the day. A lack of sleep can have monstrous consequences, greatly caused by the inability of your immune system to work without rest. Sleep is a multistage cyclic process, involving tail fin steps. Fast waves, called of import waves are those which provide from being awake. Once you live sleepy and pissed your eyes, your body relaxes and your outlook waves greatly mute down, becoming alpha waves. afterward approximately five minutes in this relaxed state, your brain waves further slow down to become theta waves, transporting you into Stage I sleep. S tage one sleep generally does not last very long, and is accompanied by a lowered blink of an eye rate and slower breathing. After a few minutes in Stage I sleep, Stage II sleep begins, marked by a further slowing of brain waves as well as bursts of electrical activity, called spindles. These bursts manifest themselves as a demeanor of twitching.Sleep Biology Essays Research PapersSleep Sleep has plagued the existence of complex organisms since their evolution early on in the formation of Earth. Although there are various stages to the sleep cycle, essentially one falls into a temporary coma for a few hours each day. It seems totally irrational that evolution would dictate a system where one lets down their guard for hours every day, leaving one prone to a deadly attack. It seems a fairly logical assumption that sleep is exceedingly important to life if, in order to get some rest, animals in the wild irrationally risk their lives. Our bodies are telling us that the y have run at full capacity for long enough, and therefore need to replenish valuable resources. In researching sleep, I found replenish to be a key word. During the day, ones body is constantly metabolizing ingested food and water, turning them into useful forms of energy. The body depletes a great deal of its energy stores (glycogen, mostly) and also experiences a large buildup of toxic byproducts (lactic acid, for example) during the day.1 Therefore, it is absolutely necessary to replenish these lost stores and get rid of the toxic chemicals coursing through your blood. Four hours seems to be the minimum amount of time one can sleep per night in order to coherently function during the day. A lack of sleep can have grave consequences, greatly caused by the inability of your immune system to work without rest. Sleep is a multistage cyclic process, involving five steps. Fast waves, called Beta waves are those which result from being awake. Once you become slee py and close your eyes, your body relaxes and your brain waves greatly slow down, becoming alpha waves. After approximately five minutes in this relaxed state, your brain waves further slow down to become theta waves, transporting you into Stage I sleep. Stage one sleep generally does not last very long, and is accompanied by a lowered pulse rate and slower breathing. After a few minutes in Stage I sleep, Stage II sleep begins, marked by a further slowing of brain waves as well as bursts of electrical activity, called spindles. These bursts manifest themselves as a sort of twitching.