Why Do We Need Sleep?

by Carrie Dierks and Isaac Asimov

Book Overview

A brief discussion of sleep, why we need it, what happens when we sleep, and sleep disorders. This description may be from another edition of this product.

• Format: Library Binding
• Language: English
• ISBN: 0836808061
• ISBN13: 9780836808063
• Release Date: January 1993
• Publisher: Gareth Stevens Publishing
• Length: 24 Pages
• Weight: 0.60 lbs.
• Age Range: 6 years and up
• Grade Range: Grade 1 and higher