Definitions for "Sleepiness"
(somnolence, drowsiness) - difficulty in maintaining the wakeful state so that the individual falls asleep if not actively kept aroused; not simply a feeling of physical tiredness or listlessness
Difficulty in maintaining the wakeful state so that the individual falls asleep if not actively kept aroused-, not simply a feeling of physical tiredness or listlessness. See Excessive daytime Sleepiness.
somnolence, drowsiness - state where the subject finds it difficult to maintain the wakeful state and falls asleep if not actively kept aroused. Differs from simply a feeling of physical tiredness or listlessness.
Keywords:  accidents, driving, causes
a very sleepy state; "sleepiness causes many driving accidents"
Keywords:  quality
The quality or state of being sleepy.