fall asleep

doze off, nod off

dozed off, nodded off

Verb
1. change from a waking to a sleeping state; "he always falls asleep during lectures"
(synonym) dope off, flake out, drift off, nod off, drop off, doze off, drowse off
(antonym) wake up, awake, arouse, awaken, wake, come alive, waken
(hyponym) zonk out

begin to sleep, drop off Don't fall asleep while we're in church. It's embarrassing.