睡すい眠みん

す

い

み

ん

Common wordJLPTN3Freq.FrequencyTop 5,000

Meanings

noun, noun which may take the genitive case particle 'no'

sleep; slumber

General term for sleep, often used in formal, medical, or technical contexts. Can also modify nouns with の.

十じゅう分ぶんな睡すい眠みんをとることが大たい切せつです。
It is important to get enough sleep.
睡すい眠みん不ぶ足そくが続つづくと健けん康こうに悪わるい。
Continuous lack of sleep is bad for your health.

See all 147 example sentences ›

Usage patterns

深ふかい睡すい眠みんdeep sleep
赤あかちゃんは深ふかい睡すい眠みんに入はいっている。
The baby is in a deep sleep.
睡すい眠みんの質しつを改かい善ぜんするto improve the quality of one's sleep
十じゅう分ぶんな運うん動どうは睡すい眠みんの質しつを改かい善ぜんする。
Enough exercise improves the quality of your sleep.
〈人ひと〉が睡すい眠みん不ぶ足そくに陥おちいるfor someone to fall into a state of sleep deprivation
忙いそがしい日ひ々びで彼かれは睡すい眠みん不ぶ足そくに陥おちいった。
With his busy days, he fell into sleep deprivation.
睡すい眠みん時じ間かんを確かく保ほするto secure enough time for sleep
忙いそがしくても睡すい眠みん時じ間かんを確かく保ほすることが大たい切せつだ。
Even when busy, it's important to secure enough sleep time.

Expressions

睡すい眠みんを取とるget sleep; sleep
睡すい眠みんを妨さまたげるdisturb one's sleep

Kanji

睡drowsy, sleep, die
眠sleep, die, sleepy

Related words

眠ねむりN3
眠り is the everyday, softer word for sleep, while 睡眠 is the more formal term used in medical or scientific contexts.
寝ね
睡眠 is the broader, more formal noun for sleep used in medical or scientific contexts, while 寝 appears only in fixed everyday collocations like 寝が浅い.
お休やすみN2
睡眠 is a clinical, neutral term for sleep, whereas お休み in this sense is a polite, honorific way to refer to someone's sleep or rest.
睡すい眠みん時じ間かんN3
睡眠 means sleep in general, while 睡眠時間 specifically means the length of time spent sleeping.
仮か眠みん
睡眠 is the general, formal word for sleep of any length, while 仮眠 refers specifically to a brief nap taken to recharge.

Opposites

覚かく醒せい
覚醒 refers to being awake or alert, the physiological opposite of 睡眠, which refers to the state of sleeping.

Don't confuse with

冬とう眠みんN1
冬眠 means hibernation, a long seasonal dormancy specific to certain animals, whereas 睡眠 is ordinary daily sleep for humans and animals alike.
催さい眠みん
催眠 refers to an induced trance-like state (hypnosis), while 睡眠 refers to ordinary sleep, though the shared 眠 kanji and altered-consciousness meaning often cause confusion.

Word family· 26

睡すい眠みん薬やく
sleeping pill; sleep medication
睡すい眠みん不ぶ足そくN3
lack of sleep; sleep deprivation
睡すい眠みん時じ間かんN3
sleeping hours; hours of sleep
睡すい眠みん剤ざい
sleeping pill; sleeping tablet
睡すい眠みん圧あつ
sleep pressure

Show 6 more

睡すい眠みん病びょう
sleeping sickness; sleeping disease
レム睡すい眠みん
REM sleep
徐じょ波は睡すい眠みん
non-REM sleep; slow-wave sleep
睡すい眠みん周しゅう期き
sleep cycle
睡すい眠みん学がく習しゅう
sleep-learning; hypnopedia
睡すい眠みん発ほっ作さ
narcolepsy

See all 26 in Explore →

Written forms

睡すい眠みんUsage99%
Standard kanji spelling; high-frequency in news and general use.
すいみんUsage1%

Etymology

Compound of 睡 (sleep) and 眠 (sleep), both kanji carrying the meaning of sleep. The exact historical derivation is uncertain, but the combination reinforces the concept of sleep.