sleepless Meaning in the Cambridge Learner’s Dictionary
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Meaning of “sleepless” - Learner’s Dictionary

sleepless

adjective
 
 
/ˈsliːpləs/
sleepless night a night when you are not able to sleep: He'd spent a sleepless night worrying about his exam.Not sleeping and not unconscious
sleeplessness noun [U]
Translations of “sleepless”
in Chinese (Traditional) 失眠的,不能成眠的, 失眠的,無法入睡的…
in Chinese (Simplified) 失眠的,不能成寐的, 失眠的,无法入睡的…
(Definition of sleepless from the Cambridge Learner’s Dictionary © Cambridge University Press)
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