Do You Know the answer of the above Question? Tell Me Why Questions.Blogspot.Com will give you the answer of the same Question. Read and Understand them and Improve your Knowledge...We spend a third of our lives in sleep. Yet, scientists do not yet know precisely what benefit we get out of sleep. They presume that sleep somehow restores our energy.
But how does it refresh us? Nobody has a clear answer.
Whatever its functions, sleep is something we cannot live without.
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