sleepiness
/ˈsliːpɪnəs
/noun [mass noun]
The state of being sleepy: long road trips cause fatigue and sleepiness...
- They may wake up frequently at night resulting in sleepiness and fatigue during the day.
- Daytime fatigue or sleepiness is also a risk and could make driving or operating machinery dangerous.
- Various subjective measures of fatigue and sleepiness have been developed.
Synonyms
drowsiness, tiredness, somnolence, languor, languidness, doziness;
lethargy, sluggishness, inactivity, heaviness, lassitude, enervation, torpor, torpidity;
Medicine narcosis, narcolepsy
rare somnolency, comatoseness, oscitancy, oscitation
- underclothes
- underclothing
- undercoat
- under colour of
- under consideration
- underconsumption
- under control
- undercook
- undercool
- undercount
- under cover
- undercover
- under cover of
- undercrackers
- undercroft
- undercurrent
- undercut
- underdaks
- underdamp
- under debate
- underdetermination
- underdetermine
- underdeveloped
- underdevelopment
- underdog