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Meaning of yen sleep | Babel Free

Noun CEFR B2

Definitions

A trance-like state resulting from the use of opium or opioid drugs such as morphine or heroin.
uncountable
A drowsy, restless period of sleep caused by the withdrawal of such substances.
uncountable

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

Yen-an Yen-ch'eng Yen-ching yen-hok Yen-ling Yen-pien