excessive sleepiness
Overwhelming urge to sleep
Excessive sleepiness is a state of persistent drowsiness that interferes with daily functioning, beyond ordinary tiredness.
The phrase appears in medical contexts describing conditions like narcolepsy or sleep apnea: The medication may cause excessive sleepiness.
It suggests sleepiness that's abnormal in degree or timing—falling asleep during conversation, struggling to stay alert despite adequate rest.
- drowsyNearly falling asleep
- fatigueWeariness from prolonged exertion
- narcolepsyNeurological excessive drowsiness condition
- yawningOpening mouth when tired
- lethargyAbnormal drowsiness and apathy
groggy · sluggish · hitting the wall · heavy-lidded · nodding off · exhaustion · burning the candle · napping · power nap · caffeine · tired · weary · running on fumes · zonked · dragging · foggy · snoring · pillow
excessive sleepinessinsomnia
Persistent inability to rest
sleeplessness · wakefulness · alertness · hypervigilance · hyperarousal
excessive sleepinesshyperactivity
Excessive physical or mental energy
high energy · vigor · vitality · liveliness · vivacity
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