a sofa that can be used as a bed; sofa bed.
a form of couch that may be used as a bed
- Sleep-terror disorder
[sleep-ter-er] /ˈslipˌtɛr ər/ noun, Psychiatry. 1. night terror.
- Sleep through
verb (intransitive, adverb) 1. (informal) (of a baby) to sleep all night without waking up sleep through 1. Sleep without waking for a period of time, usually the night, as in At three months many babies have learned to sleep through. [ Mid-1900s ] 2. sleep through something. Fail to pay attention, as in We […]
sleep like a top
- Sleep-wake cycle
[sleep-weyk] /ˈslipˈweɪk/ noun 1. Physiology. the species-specific biological pattern of alternating sleep and wakefulness, in humans roughly 8 hours of nocturnal sleep and 16 hours of daytime activity.