Why,Need,Sleep,Obviously,are,a health Why Do We Need Sleep?
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Obviously, we are aware on how important sleep is. Whether we understand ornot the full concept of what sleep can do to our bodies, we knew that having aday without sleep is terrible. Your eyes and body are heavy, your head hurts,you feel exhausted and you cannot concentrate. Your work and everyday functionis greatly affected.So, what is sleep anyway and why do we need it?Sleep is a state wherein one is relatively suspended from sensory and motoractivities. You can be totally or partially unconscious and while majority ofyour voluntary muscles are inactive. Before, it was thought that sleep is justa constant and regular block of time when you are not awake. With theadvancement of science, scientists had determined that sleep plays a criticalrole in our body's immune system, our learning, memory, metabolism and othervital organ functions.As we age, the time we are spending for sleep lessen. From 16 to 18 hours aday for newborns, adults on the average sleep for 7 to 8 hours daily. Andbecause we are all aware to this fact, many older people ignore their sleepingproblems, thinking that it is normal. Adults still need 8 hours of sleep. Howwell you function for the day's tasks and works greatly depends on the quantityand the quality of sleep you had.Sleep is beneficial for us to react quickly, think clearly, improve ourconcentration and enable us to create memories. As a matter of fact, thelearning pathway in the brain is very active during sleep. Losing even 1 hourof sleep has its price. Your ability to do focus and do physical tasks isgreatly decreased resulting to lower performance in school or at work. Also,you tend to make wrong decisions when you are sleepy placing you at more risk.Sleep also affects our mood. Lack of sleep is often linked to irritability,troubled relationships and poor behavior. Moreover, those who are chronicallydeprived of sleep are prone to depression.Most importantly, it is good to our health. Sufficient sleep decreases ourrisk in having high blood pressure, heart problems and other medicalconditions. It is also during sleep that certain hormones that enhances ourimmune system are at its peak. This might be one reason why a good night'ssleep helps you from getting sick.
Why,Need,Sleep,Obviously,are,a