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yen sleep
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English
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Etymology
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From
yen
(
“
opium
”
)
+
sleep
.
Noun
edit
yen
sleep
(
uncountable
)
A
trance
-like state resulting from the use of
opium
or
opioid
drugs such as
morphine
or
heroin
.
A
drowsy
,
restless
period of sleep caused by the
withdrawal
of such substances.
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en:Sleep
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