cop some z's

drift off nod off snooze

catnap drowse sleep slumber

catch a wink drop off sleep lightly

bed down doze fall asleep languish relax snooze

bunk catnap crash dream drowse flop hibernate nap nod oversleep repose rest retire slumber snore yawn

catch a wink catch forty winks conk out drop off fall out hit the hay hit the sack nod off sack out saw wood take a nap turn in zonk out zzz

grow

be active energize

wake waken