Anatomical	Bruxism Mouth breathing Sleep apnea Catathrenia Central hypoventilation syndrome Obesity hypoventilation syndrome Obstructive sleep apnea Periodic breathing Snoring
Dyssomnia	Excessive daytime sleepiness Hypersomnia Insomnia Kleine–Levin syndrome Narcolepsy Night eating syndrome Nocturia Sleep state misperception
Circadian rhythm disorders	Advanced sleep phase disorder Cyclic alternating pattern Delayed sleep phase disorder Irregular sleep–wake rhythm Jet lag Non-24-hour sleep–wake disorder Shift work sleep disorder
Parasomnia	Nightmare disorder Night terror Periodic limb movement disorder Rapid eye movement sleep behavior disorder Sleepwalking Sleep driving Sleep-talking
Benign phenomena	Dreams Exploding head syndrome Hypnic jerk Hypnagogia / Sleep onset Hypnopompia Sleep paralysis Sleep inertia Somnolence Nocturnal clitoral tumescence Nocturnal penile tumescence Nocturnal emission
Treatment	Sleep diary Sleep hygiene Sleep induction Hypnosis Lullaby Somnology Polysomnography
Other	Sleep medicine Behavioral sleep medicine Sleep study Neuroscience of sleep

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