Meaning of the word "not sleep a wink" in English

What does "not sleep a wink" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

not sleep a wink

US /nɑt slip ə wɪŋk/
UK /nɑt slip ə wɪŋk/
"not sleep a wink" picture

Idiom

1.

to not sleep at all

Example:
I was so worried about the exam that I couldn't sleep a wink last night.
The baby cried all night, so I didn't sleep a wink.
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