subs. (colloquial).A sluggard.
1768. FOOTE, The Mayor of Garratt, i. If you had got up time enough, you might have secured the stage; but you are a lazy LIE-A-BED.
1859. C. READE, Love Me Little, Love Me Long, x. David was none of your LIE-A-BEDS. He rose at five in summer, six in winter.