sleep cycle

sleep cycle

a recurring pattern of sleep stages in which a period of slow-wave sleep is followed by a period of REM sleep. In humans, a sleep cycle lasts approximately 90 minutes.

Related Terms

tokenism

tokenism n. the making of a perfunctory or symbolic gesture...

sex instinct

sex instinct see sexual instinct.

fibril

fibril n. any small anatomical fiber or threadlike structur...

beyond reasonable doubt

beyond reasonable doubt the standard of proof required in a...

propoxyphene

propoxyphene n. a synthetic opioid analgesic that has appro...

microtubule

microtubule n. a small, hollow, cylindrical structure (typi...

Quick Info

Category Psychology Term
Definitions 1
First Letter S

Browse by Letter

A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z