Psychology Dictionary
  • Psychology Resources
  1. Home
  2. dyssomnia

dyssomnia

dyssomnia

n. any of various sleep disorders marked by abnormalities in the amount, quality, or timing of sleep. In DSM–IV–TR, for example, dyssomnias include primary insomnia, primary hypersomnia, narcolepsy, circadian rhythm sleep disorder, breathing-related sleep disorder, and dyssomnia not otherwise specified, which may be due to excessive noise, light, or other environmental factors; ongoing sleep deprivation; Ekbom’s syndrome; or nocturnal myoclonus.

Related Terms

asynchrony

asynchrony n. lack of temporal correspondence in the occurr...

noso- (nos-)

Sorry, "noso-nos" is not in the Dictionary of Psychology. Please report to APA i...

solitary play

solitary play see social play.

brucine

brucine n. an alkaloid obtained from the Brucea genus of sh...

speed

speed n. slang for an amphetamine, especially methamphetami...

covert reinforcement

covert reinforcement see covert positive reinforcement.

Quick Info

Category Psychology Term
Definitions 1
First Letter D

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

© 2025 PsychologyDB.com All rights reserved.

Terms Sitemap Contact