| be asleep(expression, idiom, inactivity, slumber) |
| be sleepy(verb, fall, drift, slump) |
| become inattentive(verb, expression, fall, drift, slump) |
| bed down(expression, relax, languish, slumber) |
| bedtime(dream, slumber, snooze) |
| bunk(relax, languish, slumber, snooze) |
| catch a wink(expression, relax, languish, slumber) |
| catch forty winks(verb, expression, catch, relax, sleep) |
| conk out(expression, relax, languish, slumber) |
| crash(relax, languish, slumber, snooze) |
| dormancy(slumber, snooze) |
| dullness(dream, slumber, snooze) |
| fall out(expression, relax, languish, slumber) |
| hibernation(dream, slumber, snooze) |
| hit the hay(expression, relax, languish, slumber) |
| hit the sack(expression, relax, languish, slumber) |
| languish(relax, swing, droop, sag) |
| retire(relax, languish, slumber, snooze) |
| sack out(expression, relax, languish, slumber) |
| sack time(expression, dream, slumber, snooze) |