Synonym Nuance VS
How to say "Sleep" in Japanese
Both words can translate to "sleep", but which should you choose?
Japanese Option A
おやすみになる
おやすみになる (oyasumi ni naru)
N4 / CEFR Syllabus
VS
Japanese Option B
睡眠
すいみん (suimin)
N3 / CEFR Syllabus
Nuance Contrast & Translation Difference
When translating "sleep" into Japanese, you must choose carefully between おやすみになる and 睡眠.
In Japanese, おやすみになる (おやすみになる (oyasumi ni naru)) is typically associated with "to sleep, to rest (honorific form of 寝る/休む)" (Syllabus Level: N4) and represents Honorific form of 寝る.
On the other hand, 睡眠 (すいみん (suimin)) maps to "sleep (noun)" (Syllabus Level: N3) and represents Refers to the act or state of sleeping, often used in formal contexts or to discuss the quality/quantity of sleep. よりカジュアルには「寝る」を使います。. A literal translation of "sleep" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "おやすみになる"
社長はもうおやすみになりました。
The president has already gone to rest/sleep.
Bilingual Context for "睡眠"
毎日7時間の睡眠をとるようにしています。
I try to get 7 hours of sleep every day.
Nuance Mastery Quiz
Which Japanese word perfectly fits this blank space?
Fill in the blank: "社長はもうおやすみになりました。" (Meaning: "The president has already gone to rest/sleep.")
🎉 Correct Answer!
Remember: "おやすみになる" fits here because it means "to sleep, to rest (honorific form of 寝る/休む)" in the context of: "The president has already gone to rest/sleep.". "睡眠" represents "sleep (noun)".