undersleep
Get too little
Undersleep means to sleep less than one's body needs.
The verb usually appears as undersleeping or underslept: I've been underslept all week.
Unlike oversleep, which describes a single incident of sleeping past an alarm, undersleep typically refers to a pattern of insufficient rest: Chronic undersleeping affects your immune system.
Weak and unsteady
- blearyDim from fatigue
- heavy-eyedVisibly fatigued, needing sleep
- yawningOpening mouth when tired
- drowsyNearly falling asleep
foggy · dazed · sluggish · nodding off · dozing · unfocused · zoning out · spacey
State of utter depletion
- tirednessState of needing rest
- wearinessState of being drained
- burnoutChronic occupational depletion
- lethargyAbnormal drowsiness and apathy
sluggishness · drained · worn out · depleted · enervated · running on empty · crashed · spent
State of lacking necessities
- insomniaPersistent inability to rest
- chronic fatigueLasting state of tiredness
- cognitive impairmentDiminished intellectual function
- inflammationProtective tissue response
Easily provoked to annoyance
- crankyIll-tempered and peevish
- grumpyIrritable in temperament
- short-temperedProne to sudden anger
- moodyProne to sullenness
snappy · edgy · impatient · testy · emotional · weepy · touchy · frustrated
Cognitive sluggishness and confusion
- poor concentrationDifficulty maintaining mental focus
- forgetfulnessFailure to retain information
- mental fatigueDepleted cognitive stamina
- slow thinkingEffortful, analytical cognition
confusion · impaired judgment · decision fatigue · unfocused · scatterbrained · distracted · cognitive decline
groggy
Weak and unsteady
- blearyDim from fatigue
- heavy-eyedVisibly fatigued, needing sleep
- yawningOpening mouth when tired
drowsy · foggy · dazed · sluggish · nodding off · dozing · unfocused · zoning out · spacey · half-awake
exhaustion
State of utter depletion
lethargy · sluggishness · drained · worn out · depleted · enervated · running on empty · crashed · spent · fatigued
deprivation
State of lacking necessities
- insomniaPersistent inability to rest
- chronic fatigueLasting state of tiredness
- cognitive impairmentDiminished intellectual function
irritable
Easily provoked to annoyance
- crankyIll-tempered and peevish
- grumpyIrritable in temperament
- short-temperedProne to sudden anger
moody · snappy · edgy · impatient · testy · emotional · weepy · touchy · frustrated · agitated
brain fog
Cognitive sluggishness and confusion
- poor concentrationDifficulty maintaining mental focus
- forgetfulnessFailure to retain information
- mental fatigueDepleted cognitive stamina
slow thinking · confusion · impaired judgment · decision fatigue · unfocused · scatterbrained · distracted · cognitive decline
undersleepoversleep
Slumber too long
sleep in · oversleeping · lie in · hypersomnia · sleep late