lack of sleep
Insufficient rest obtained
Lack of sleep is insufficient rest, the state of not having slept enough.
The phrase functions as a noun: My lack of sleep is catching up with me.
It explains impaired performance, irritability, or poor health: The accident was attributed to lack of sleep.
- tiredLacking energy, needing rest
- insomniaPersistent inability to rest
- fatigueWeariness from prolonged exertion
- exhaustionState of utter depletion
- running on emptyOperating without remaining resources
drowsiness · hallucinations · all-nighter · restlessness · headaches · burning eyes · bags under eyes · dark circles · irritability · deprivation · cognitive impairment · brain fog · can't think straight · microsleep · mood swings · tossing · anxiety · sluggish
- stressorsemergency, financial stress, work stress, deadlines, job interview
- travel problemslost luggage, flight delays, flight delay, delayed flight, missed flight
- learning mistakesprocrastination, cramming, skipping steps, poor time management, ignoring feedback
- triggerstrigger, trigger mechanism, trigger assembly, trigger pull, sear
lack of sleepgood night's sleep
Adequate quality rest
deep sleep · sleeping in · oversleeping · hypersomnia · restorative sleep
lack of sleepwell-rested
Having slept enough
refreshed · rejuvenated · restored · alert · energized