The term 'sleeper' can refer to a variety of objects. The crossword solutions for this term include 'TIE' (3 letters), 'CAR' (3 letters), 'RIP' (3 letters), 'CELL' (4 letters), and 'SOFABED' (7 letters). A TIE is a type of clothing accessory, usually worn around the neck and knotted at the front. A CAR is a motor vehicle used for transportation. To 'RIP' something means to tear it apart. A CELL is a small room or compartment, often used as a prison. Finally, a sofabed is a piece of furniture that can be converted from a couch into a bed.