Sleep is important and animals and humans need sleep for proper metabolism. Overall thing is that a brain need good rest. It must go to rest. Just like as for a machine, if CPU keeps running, it heats up whole machine. As is the brain, just like CPU of machine. If brain can’t sleep, it heats up body and creates problem in metabolism.
In fact, it doesn’t matter how much we need sleep, what matters is that our brain must take deep rest. I can tell if brain is very well sleeping, it would be like 3 or 5 or 6 hours sufficient else even 7 hours won’t work for people. Unfortunately, we can’t turn brain to rest as we can turn CPU off to rest in machines. We can’t simulate it either by some advisable drug. Medical science still has to cover up lots of research on human brain. And that would be very very useful to entire human race.
More powerful or more functioning brains may have problem in going to rest cycles. Many people get sleep around 4 am or 6 am or 7 am or may be 9 am. Students may develop late night reading habits and it creates problem for them. Same thing can happen to some IT geeks or to all of scientists. To their good luck, writers, artists, photographers or professional travelers doesn’t need to bother for such problems as they can sleep whenever they prefer. (more…)