Evidence by polysomnography of ≥5 obstructive apnoeas/hypopnoeas per hour of sleep + ≥1 of: nocturnal breathing disturbances (snoring, snorting, gasping, breathing pauses); daytime sleepiness/fatigue/unrefreshing sleep not explained by another disorder; OR ≥15 obstructive apnoeas/hypopnoeas per hour of sleep regardless of accompanying symptoms
Evidence by polysomnography of ≥5 central apnoeas per hour of sleep
Repeated episodes of arousal during sleep associated with vocalisation and/or complex motor behaviours
Persistent or recurrent pattern of sleep disruption primarily due to alteration of the circadian system or misalignment between endogenous circadian rhythm and sleep-wake schedule
Recurrent episodes of incomplete awakening from sleep, usually occurring during the first third of the major sleep episode, accompanied by either sleepwalking (complex behaviour without full consciousness) or sleep terrors (abrupt awakenings with intense fear/autonomic arousal; difficult to console)
Self-reported excessive sleepiness (hypersomnolence) despite main sleep period of ≥7 hrs; ≥1 of: recurrent lapses into sleep during same day; prolonged main sleep episode (>9 hrs) that is non-restorative; difficulty being fully awake after abrupt awakening
Predominant complaint of dissatisfaction with sleep quantity/quality: ≥1 of: difficulty initiating sleep; difficulty maintaining sleep (frequent awakenings); early morning awakening with inability to return to sleep
Recurrent periods of irrepressible need to sleep, lapsing into sleep, or napping within same day, for ≥3 months; ≥1 of: cataplexy (brief episodes of bilateral muscle tone loss) ≥few times/month; hypocretin deficiency (CSF hypocretin-1 ≤110 pg/mL); REM sleep latency ≤15 min on MSLT (or mean sleep latency ≤8 min with ≥2 sleep-onset REM periods)
Urge to move the legs, usually accompanied by uncomfortable sensations in the legs, that begins or worsens during rest/inactivity, is partially or totally relieved by movement, and occurs primarily in the evening or night
Intoxication: recent cannabis use with clinically significant maladaptive behavioural/psychological changes; Withdrawal: cessation/reduction of heavy prolonged use
Excessive anxiety/worry about multiple events/activities, more days than not for ≥6 months
Criteria met for major or mild NCD with insidious onset and gradual progression
Exposure to actual/threatened death, serious injury, or sexual violence (direct, witnessed, learning about close person, or repeated indirect exposure)
≥6 inattentive symptoms and/or ≥6 hyperactive-impulsive symptoms (≥5 for age ≥17) for ≥6 months, inconsistent with developmental level and negatively impacting activities
≥5 of 9 SIG-E-CAPS symptoms for ≥2 weeks; ≥1 must be depressed mood or anhedonia
Subjective complaints of restlessness after exposure to medication
Depressed mood most of the day, more days than not, for ≥2 years (≥1 yr children/adolescents)
Intoxication: recent stimulant use; Withdrawal: cessation/reduction after prolonged heavy use