Kumi logo
    Kumi

    Learn Japanese. Where understanding folds into fluency.

    Dictionary

    KanjiKanji vocabularyKana vocabularyKanaRadicalsGrammarJLPT N5

    Learn

    GuidesStart where you areWhat is KMT?RoadmapFAQ

    Connect

    EmailDiscordInstagramThreadsTikTokYouTubeLinkedInBlueskyX

    Newsletter

    Start learning free →

    Free forever tier. No card required.

    © 2026 Kumiai Inc. All rights reserved.

    AboutFAQContactStatusPrivacyTermsAttributions
    Dictionary
    1. Dictionary
    2. Kanji Vocab
    3. レム睡眠

    レム睡眠

    レ​ム​睡すい眠みん

    REM sleep

    NTNounMedicine & HealthKanji Vocab26 strokes

    ＲＥＭ睡眠

    レムすいみん

    Noun

    1.
    REM sleep

    Stroke 0 / 26

    Speed1.0x

    Characters that make up this word

    睡
    ねむ.る・ねむ.い…(1)
    drowsy・sleep・die
    Kanji
    眠
    ねむ.る・ねむ.い…(2)
    sleep・die・sleepy
    Kanji
    レ
    re
    Kana
    ム
    mu
    Kana
    Kumi logo

    Track your mastery

    Kumi's KMT system tracks your mastery across kanji, vocabulary, grammar, and reading. Create a free account to use it on 220,000+ concepts.

    Related concepts for this entry

    Used in vocabulary

    • 睡
    • 眠
    • レ
    • ム

    Explore more

    Kanji Vocab dictionary›Browse all entries›