JAMA · 2021 · 28 citations · 0 references
Sleep DisordersSleepSleep HealthSleep MedicineDaytime ImpairmentAdequate OpportunitySleep DisorderFrequent DifficultySleep PhysiologyInsomniaSleep QualityMedicineSleep DeprivationSocial SciencesSleep Psychology
What Is Insomnia?Insomnia is frequent difficulty sleeping resulting in daytime impairment and occurring despite adequate opportunity for sleep.