undersleeps

Gets insufficient rest

Undersleeps is the third-person singular of undersleep, meaning to sleep less than needed.

The word is uncommon, appearing mostly in clinical or self-help contexts: She chronically undersleeps and wonders why she's exhausted.

The pattern follows other under- verbs like undereat and underperform.

fatigue

exhaustion

State of utter depletion

weariness · sluggishness · yawning · grogginess · fogginess · heaviness · listlessness · torpor · languor · nodding off

mood

irritability

Proneness to agitation

short-tempered · snappiness · impatience · edginess · testiness · frustration · emotional volatility · sensitivity · peevishness · grouchiness

health

insomnia

Persistent inability to rest

reaction time · chronic fatigue · recovery · melatonin · inflammation

causes

overwork

Toil to exhaustion

newborn · caregiving · insomnia · screen time · late nights · early mornings · jet lag · caffeine · workaholic · cramming

Opposites
sleep quantity

undersleepsoversleeps

Fails to wake timely

sleeps in · hibernates · slumbers

Family

undersleep, undersleeping

Familiarity
Top 1,000,000
Profile
Used worldwide · Timeless · Everyday, not technical · Rated G