bed

1 a place set aside for sleeping the sofa in the living room will be your bed for the night Synonyms bunk, doss [chiefly British], hay [slang], kip, lair [British dialect], pad, rack, sack Related Words bedstead, futon, mattress, pallet; bunk bed, cot, couch, daybed, feather bed, four-poster, hammock, Murphy bed, shakedown, sleigh bed, sofa, sofa bed, studio couch, trundle bed, water bed; bassinet, carry-cot [British], cradle, crib

2 the surface upon which a body of water lies some prospectors supposedly found gold in the bed of that mountain stream Synonyms bottom, floorRelated Words riverbed; base, basement, foundation, groundNear Antonyms surface

3 a natural periodic loss of consciousness during which the body restores itself I always brush my teeth and floss before going to bed Synonyms sleep, catnapping, dozing, napping, repose, rest, resting, shut-eye, slumber, slumbering, snoozing, z's (or zs)Related Words catnap, doze, drowse, forty winks, nap, siesta, snooze, wink; oversleeping; dreaming, rapid eye movementNear Antonyms insomnia, sleeplessnessAntonyms consciousness, wake, wakefulness