Why Do We Need Sleep?
by Asimov, Isaac
Series:Ask Isaac Asimov
Prefer borrowing? Open Library may have a digital copy too.
AR Book Level
4.1
AR Points
0.5
Word Count
752
Interest Level
Lower Grades (LG K-3)
Genre
Nonfiction
AR Quiz #
12355 EN
About this book
A brief discussion of sleep, why we need it, what happens when we sleep, and sleep disorders.
