I. ə-ˈslēp adjective
Etymology: Middle English aslepe, from Old English on slæpe
Date: 13th century
1. : being in a state of sleep
2. : dead
3. : lacking sensation : numb
4.
a. : inactive , dormant
b. : not alert : indifferent
II. adverb
Date: 13th century
1. : into a state of sleep
2. : into the sleep of death
3. : into a state of inactivity, sluggishness, or indifference