IN our relationship, I am the early riser and my husband goes to bed late (often falling asleep on the living room couch while watching t.v.). His comings and goings in the bedroom used to disturb my sleep, until I purchased a noise machine (Snooz) and a mask, which blocks out all light. In hot weather we use a fan instead of the Snooz. I don't even hear when he gets into bed now, and he doesn't hear when I get up. A king-size adjustable bed helps.