Table 4.

Sleep disorders classified according to International Classification of Sleep Disorders, Third edition.

Diagnostic group	Sleep disorders	Authors	Number of patients with sleep disorders/ total of patients included
Sleep-related breathing disorders	Obstructive, central or mixed sleep apnea	Pickering et al.	51/59
	Obstructive or central sleep apnea	Manley et al.	3/7
	Obstructive sleep apnea	Mandrell et al.	14/31
	Central sleep apnea	Mandrell et al.	4/31
	Central sleep apnea	Pilotto et al.	n was unknown
Central disorders of hypersomnolence	Narcolepsy	Pickering et al.	5/61
	Narcolepsy or hypersomnolence	Khan et al.	37/39
	Narcolepsy, hypersomnolence	Mandrell et al.	7/31
	Narcolepsy, hypersomnolence + unknown sleep disorder	Johnson et al.	2+5/12
	Narcolepsy, hypersomnolence	Müller et al.	7/10
Parasomnias	NREM parasomnia	Pickering et al.	2/59
	REM sleep parasomnia		1/59
Sleep-related movement disorders	Restless legs syndrome	Manley et al.	3/7
Delayed sleep phase	Delayed sleep phase syndrome	Rosen et al.	1/48