sleeper
noun(sleep-er)
one that sleeps
sleeper
noun(sleep-er)
a piece of timber, stone, or steel on or near the ground to support a superstructure, keep railroad rails in place, or receive floor joists : stringpiece
sleeper
noun(sleep-er)
sleeping car
sleeper
noun(sleep-er)
a terrorist cell whose members work under cover in an area until sent into action
sleeper
noun(sleep-er)
a sofa that folds out to form a bed
sleeper
noun(sleep-er)
someone who does not wake up easily
sleeper
noun(sleep-er)
someone who wakes up easily
sleeper
noun(sleep-er)
someone who sleeps deeply