TY  - BOOK
AU  - Broughton,Roger J.
AU  - Dinges,David F.
TI  - Sleep and alertness: chronobiological, behavioral, and medical aspects of napping 
SN  - 0881675245
PY  - 1989///
CY  - New York
PB  - Raven  Press
KW  - Naps (Sleep)
KW  - Circadian Rhythm
KW  - Sleep
KW  - Wakefulness
N1  - Includes bibliographies and index
ER  -