somnolence
Craving for slumber
Somnolence is the state of being drowsy or inclined to sleep.
It describes that heavy-lidded feeling when staying awake requires effort, whether from fatigue, medication, or a warm afternoon.
Medical contexts use somnolence to describe abnormal drowsiness as a symptom: The patient reported increased somnolence after starting the new medication.
The related adjective is somnolent.
Sleeping briefly, often midday
- siestaMidday rest
- snoozeLight brief sleep
- slumberLight, restful unconsciousness
- naptimeDaytime slumber break
doze · catnap · resting · restfulness · repose · shuteye · kip
State of needing rest
- fatigueWeariness from prolonged exertion
- grogginessState of sluggish disorientation
- yawningOpening mouth when tired
- dozingLightly, briefly unconscious
nodding · heavy-eyed · bleary · weary · torpor · listlessness · languor · enervation
Inducing drowsiness
- sedativeDrug promoting calm
- hypnoticInducing trance or slumber
- narcoticAddictive sedative drug
- tranquilizerSubstance that induces calm
anesthetic · barbiturate · melatonin · chloroform · opiate · sedation · drug-induced · medicated
Calm and untroubled
- peacefulFree from disturbance
- calmFree from agitation
- quietLacking in sound
- stillUnmoving, or continuing
hushed · serene · lulling · soothing · dreamlike · languid · hazy · muted
napping
Sleeping briefly, often midday
naptime · doze · catnap · resting · restfulness · repose · shuteye · kip
tiredness
State of needing rest
- fatigueWeariness from prolonged exertion
- grogginessState of sluggish disorientation
- yawningOpening mouth when tired
dozing · nodding · heavy-eyed · bleary · weary · torpor · listlessness · languor · enervation · stupor
soporific
Inducing drowsiness
tranquilizer · anesthetic · barbiturate · melatonin · chloroform · opiate · sedation · drug-induced · medicated
tranquil
Calm and untroubled
still · hushed · serene · lulling · soothing · dreamlike · languid · hazy · muted · gentle
narcolepsy
Neurological excessive drowsiness condition
- cataplexyEmotion-induced muscle paralysis
- sleepsleep, sleeping, nap, doze, slumber
- consciousness statesunconscious, conscious, awake, alert, sleep
- sleep onsetdrifting, light sleep, dozing, twilight state, muscle relaxation
- sedative effectssedation, relaxation, calming, calm, tranquility
- dreamsnightmare, dreaming, daydream, nightmares, dreams
- sleep problemssleep apnea, night terrors, nightmares, restless legs, narcolepsy
somnolencealertness
Active mental awareness
wakefulness · vigilance · awareness · attentiveness · watchfulness