Your Child May Not Be Getting Enough Sleep

The data on sleep is clear. What to do about it is less so.

Sleep, as a phenomenon, is extremely interesting.

All animals sleep, or have a form of sleep-like resting state. Sometimes they have to get creative. Dolphins, for example, rest half their brain at a time, with the other half awake so they can stay swimming. I have always felt, though, that sleep seems tremendously maladaptive. Think about it: a long per…