| Main Entry: | |
| Part of Speech: | noun |
| Definition: | time for bed |
| Synonyms: | lights out, sack time, sleep time, sleepy time, slumbertime, time to hit the hay, time to hit the sack, time to retire, time to turn in |
| Main Entry: | sleep |
| Part of Speech: | noun |
| Definition: | suspension of consciousness |
| Synonyms: | bedtime, catnap, coma, dormancy, doze, dream, dullness, few z's, forty winks, hibernation, lethargy, nap, nod, repose, rest, sack time, sandman, shuteye, siesta, slumber, slumberland, snooze, torpidity, torpor, trance |
| Antonyms: | awakening, consciousness, wakefulness |
| Main Entry: | nighttime |
| Part of Speech: | noun |
| Definition: | darkness |
| Synonyms: | bedtime, dusk, midnight, night, nightfall |
| Main Entry: | shuteye |
| Part of Speech: | noun |
| Definition: | sleep |
| Synonyms: | bedtime, catnap, coma, dormancy, doze, dream, dullness, few z's, forty winks, hibernation, land of Nod, lethargy, nap, nod, repose, rest, sack time, sandman, siesta, slumber, slumberland, snooze, the arms of Morpheus, torpidity, torpor, trance |