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
32 pages • missing pub info (editions)
ISBN/UID: 9780064451413
Format: Paperback
Language: English
Publisher: HarperCollins
Publication date: 11 April 1997
Description
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 lon...
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
32 pages • missing pub info (editions)
ISBN/UID: 9780064451413
Format: Paperback
Language: English
Publisher: HarperCollins
Publication date: 11 April 1997
Description
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 lon...