Sleep Is for Everyone

ISBN-13: 9780064451413 / Angielski / Miękka / 1997 / 32 str.

Paul Showers; Wendy Watson

Opis

Why do you get sleepy?When you feel tired, your body is telling you that it needs a rest. Everyone needs sleep. Babies need lots of sleep. Grown-ups need less. But no one can go without sleep for long. A team of scientists stayed awake for as long as they could to see what could happen. Read and find out some wide-eyed facts about the science of shut-eye.