Sleep paralysis
SpecialtySleep medicine
SymptomsAwareness but inability to move during waking or falling asleep
DurationLess than a couple of minutes
Risk factorsNarcolepsy, obstructive sleep apnea, alcohol use, sleep deprivation
Diagnostic methodBased on description
Differential diagnosisNarcolepsy, atonic seizure, hypokalemic periodic paralysis, night terrors
TreatmentReassurance, sleep hygiene, cognitive behavioral therapy, antidepressants
Frequency8–50%