The Wall Street Journal:
Babies and children sleep a lot—12 hours a day or so to our eight. But why would children spend half their lives in a state of blind, deaf paralysis punctuated by insane hallucinations? Why, in fact, do all higher animals surrender their hard-won survival abilities for part of each day?
Children themselves can be baffled and indignant about the way that sleep robs them of consciousness. We weary grown-ups may welcome a little oblivion, but at nap time, toddlers will rage and rage against the dying of the light.
Read the whole story: The Wall Street Journal