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

stem-and-leaf plot

stem-and-leaf plot a graphical method of presenting data th...

cross-cuing

cross-cuing n. the use of one sense modality to identify an...

social memory

social memory 1. memory for socially relevant information....

prevention design

prevention design in ergonomics, the design of tools or sys...

isolation of affect

isolation of affect in psychoanalytic theory, a defense mec...

metabolic anomaly

metabolic anomaly see inborn error of metabolism.

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