Sleep disorder describes a lot of sleep disturbances including amount, quality, timing and abnormal events during sleep. Disorders are characterised by common cause, mental disorder, medical condition or drug abuse.

SLEEP DISORDER: "A sleep disorder describes anything that disturbs our sleep cycle and normal sleep behaviour."
Cite this page: Nugent, Pam M.S., "SLEEP DISORDER," in, April 13, 2013, (accessed December 11, 2018).