“Deep sleep” in Japanese
Short answer
Deep sleep in Japanese is “春眠” (shunmin). Full meaning: deep sleep, sleep soundly.
Other ways to say “Deep sleep” in Japanese
嗜眠
shimin deep sleep, torpor
熟睡
umai deep sleep, sound sleep, profound sleep
昏睡
konsui coma; deep sleep, falling fast asleep
こん睡
konsui coma; deep sleep, falling fast asleep
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