Synonyms of asleep

1 Syllable
out, ex, numb, dead
2 Syllables
dozy, conked, dozing, napping, sleeping, sleepier, tired, resting, crashed, dreaming, offed, snoozing, dozier, inert, deadest, snoring, draggier, deader, drowsing, defunct, extinct, draggy, sleepy, dormant, nodding, quiescent
3 Syllables
somnolent, wrapped-up, slumbering, uncurious, lifeless, benumbed, uncordial, deceased, reposing, slumbery, slumberous, passive, somnific, flatfooted, mothballed, unfeeling, preoccupied
4 Syllables
narcoleptic, ironhearted, comatose, hibernating, unamiable, unreactive, nonreactive, nonresistant, inactive, somniferous, somnifacient
5 Syllables
anesthetized, unsusceptible
6 Syllables
unimpressionable