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English definition of “sleepless”

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sleepless

adjective [not gradable]  /ˈslip·ləs/ us  
without sleeping, or without being able to sleep: I’ve spent so many sleepless nights worrying about him.
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 Academic Content Dictionary © Cambridge University Press)
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