A good sleep decides our next day activity. This is a proven study that good and uninterrupted sleep is very necessary to keep our body and mind calm. This good sleep in the night makes us prepare for the next day work. Our body clock acts differently. The finding according to the study describes that the mechanism to boost and make our body ready to act actively. During sleep hours…there are many cells those gets created and repairs as well. According to NatureCellBiology, there are many mechanisms conducted on animals as well and study found out that how important is sleep for our biological systems.