The possible mechanism of sleepi

We spend about one-third of our lives on sleeping，the underlying basis of the sleep remains unclear. From the speaker，we could more or little learn what it’s all about the sleep，and then we can acknowledge that sleep is actually a little bit like playing catch-up on all the cleaning the byproduct that’s created by working when we wake up，and so it is the greatest important process for our health to maintain.

The possible mechanism of sleeping The possible mechanism of sleeping The possible mechanism of sleeping The possible mechanism of sleeping The possible mechanism of sleeping The possible mechanism of sleeping The possible mechanism of sleeping