Found 2 items, similar to somnolence.
English → English (WordNet) Definition: somnolence somnolence n : a very sleepy state; “sleepiness causes many driving accidents” [syn: sleepiness, drowsiness] [ant: wakefulness]
English → English (gcide) Definition: Somnolence Somnolence \Som"no*lence\, Somnolency \Som"no*len*cy\, n. [L. somnolentia: cf. F. somnolence.] Sleepiness; drowsiness; inclination to sleep. [1913 Webster]