TY  - BOOK
AU  - Asimov,Isaac
AU  - Dierks,Carrie
TI  - Why do we need sleep?
T2  - Ask Isaac Asimov
SN  - 0836808061
AV  - RA786 .A78 1993
U1  - 612.8/21 20
PY  - 1993///
CY  - Milwaukee
PB  - G. Stevens Pub.
KW  - Sleep
N1  - Includes bibliographical references (p. 23) and index
N2  - A brief discussion of sleep, why we need it, what happens when we sleep, and sleep disorders
ER  -