sleep tight
Definition of sleep tight
: to sleep deeply and well Good night. Sleep tight.
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Word by Word Definitions
sleepplay
: the natural periodic suspension of consciousness during which the powers of the body are restored — compare REM sleep, slow-wave sleep
: a state resembling sleep: such as
: a state of torpid inactivity
: to rest in a state of sleep
: to be in a state (as of quiescence or death) resembling sleep
: to be slumbering in
See the full definition of sleep
tightplay
: having elements close together
: so close in structure as to prevent passage or escape (as of liquid, gas, or light) — compare lightproof, watertight
: fitting very close to the body
: fast, tightly, firmly
: in a sound manner : soundly
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