1
vb be in the land of Nod, catnap, doze, drop off (informal) drowse, go out like a light, hibernate, kip (Brit. slang) nod off (informal) rest in the arms of Morpheus, slumber, snooze (informal) snore, take a nap, take forty winks (informal) zizz (Brit. informal)
2
n beauty sleep (informal) dormancy, doze, forty winks (informal) hibernation, kip (Brit. slang) nap, repose, rest, shuteye (slang) siesta, slumber(s), snooze (informal) zizz (Brit. informal)