The International Classification of Sleep Disorders (ICSD) 2nd edition lists more than eighty four unique sleep disorders. These range from the common types such as Insomnia and Obstructive Sleep Apnoea, to the rare syndrome of Narcolepsy. We have provided information on some of these disorders below.

	Insomnia
	Narcolepsy and Excessive Daytime Sleepiness
	Obstructive Sleep Apnoea (OSA)
	Restless Legs Syndrome
	REM Sleep Behaviour Disorder
	Sleep Walking and Sleep Terrors
	Circadian Rhythm Disorders
	Sleep and Activity Disorders of Childhood including ADHD
	Chronic Fatigue Syndrome
	Medical and Psychiatric Sleep Disorders
	Anxiety Disorders Panic Disorder Depression Dementia and Memory Disorders
	Stress and Occupational Related Sleep Disorders
	Menstrual Associated Sleep Disorder
	Sleep Disorders in Pregnancy and the Postpartum Period