TECHNOLOGY
Scott, Elaine

All About Sleep from A to Zzzz

(3) 4-6 Illustrated by John O'Brien. "Everyone agrees that sleep is necessary--as necessary as food and water." This accessible introduction to sleep science discusses past and present theories on how and why the body sleeps, circadian rhythms, brain waves, dreaming, and other slumber-related topics. Crosshatched black-and-white cartoons whimsically illustrate some of the concepts described. Reading list, websites. Ind.

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