卧床

卧床	wò chuáng	to lie in bed / bedridden / bed
卧	wò	to lie / to crouch
床	chuáng	bed; couch (furniture that one can lie down on) (CL:张) / bed; bottom (of rivers, oceans, gardens etc) / frame; chassis / classifier for blankets, quilts etc
床	chuáng	variant of 床