夜更かし
よふかし
yofukashi
JLPT N3nounVocabularyLevel 36 - JLPT N3

Quick answer

夜更かし (よふかし (yofukashi)) means "Staying up late". The reading is よふかし (yofukashi). Audio pronunciation and kanji breakdown are below.

Meaning

Staying up late

Also : Keeping late hours

Learn 夜更かし with SRS

Free to start — no credit card. Track every review with spaced repetition.

Start free

Example Sentences

試験前の夜更かしは、テストの成績に悪い影響を与えます。

しけんまえのよふかしは、テストのせいせきにわるいえいきょうをあたえます。

Staying up late before an exam has a negative impact on test scores.

毎晩の夜更かしで、疲労が溜まっていきます。

まいばんのよふかしで、ひろうがたまっていきます。

Nightly stays up late accumulate fatigue over time.

Kanji in this word

Grammar to study at this level

Last updated Jul 25, 2026

Learn 夜更かし with Spaced Repetition

InitialJ uses scientifically proven SRS to help you memorize kanji and vocabulary for the JLPT. N5 is free forever; no credit card required.