• foul, entertain, go to sleep, kip down, soil, pollute, sack out, taint, hit the sack, nap, turn on, go to bed, house, depart, couch, recline, bed, blacken, dirty, bunk, nod, stain, drop off, slumber, settle, turn in, receive, hide, roost, take in, get into bed, harbor, catnap, shelter, discolor, flop, besmirch, hit the hay, doze, spot, sully, take, snooze, admit, accept, welcome, switch on, disappear, crawl in, muddy, defile, perch, lie, begrime, doss, rest, lodge, retire, sleep, leave.