…
Breakdown of watasi ha yoru osoku nemasu.
はha
topic particle
私watasi
I
夜yoru
night
寝るneru
to sleep
遅くosoku
late
Questions & Answers about watasi ha yoru osoku nemasu.
What does 私 mean here?
私 (わたし) means “I” or “me.” It indicates the speaker as the topic of the sentence.
What role does は play in 私 は?
は is the topic marker. It tells us the sentence is about 私 (“as for me”). It’s pronounced wa after a topic.
Why is there no particle between 夜 and 遅く?
夜遅く is an adverbial phrase meaning “late at night.” 遅く is the adverbial form of 遅い (“late”), so no particle is needed between the noun 夜 (“night”) and the adverb 遅く.
What function does 遅く have in the sentence?
遅く is an adverb modifying 寝ます, meaning “late.” Together 夜遅く answers “when” the action happens: “late at night.”
Why isn’t there an object in this sentence?
寝る (“to sleep/go to bed”) is an intransitive verb. It doesn’t take a direct object, so no object phrase appears.
What kind of verb is 寝ます, and why is it in this form?
寝る is a ru-verb (一段動詞). In the polite non-past form, 寝る becomes 寝ます, meaning “sleep” or “go to bed” habitually or in the future.
Is 寝ます past or present tense here?
It’s non-past, which in Japanese covers both present habitual (“I sleep/ go to bed late”) and future (“I will sleep/go to bed late”). Context (habit) makes it “I go to bed late.”
How would you say “I go to bed early” using the same structure?
Change 遅く (“late”) to 早く (“early”):
私 は 夜 早く 寝ます。
What’s the difference between 夜遅く寝ます and 遅くに寝ます?
- 夜遅く寝ます (“I go to bed late at night”) is the most natural set phrase.
- 遅くに寝ます is grammatically possible (with に marking time), but sounds less natural; Japanese prefers 夜遅く for “late at night.”
How do you say “I’m going to sleep now” differently?
A common expression is そろそろ寝ます。 (“I’ll go to bed soon.”) or もう寝ます。 (“I’m going to bed now.”)
More from this lesson
AI Language TutorTry it ↗
“How do verb conjugations work in Japanese?”
Japanese verbs conjugate based on tense, politeness, and mood. For example, the polite present form adds ‑ます to the verb stem, while the past tense uses ‑ました. Unlike English, Japanese verbs don't change based on the subject — the same form works for "I", "you", and "they".
Sign up free — start using our AI language tutor
Start learning JapaneseMaster Japanese — from watasi ha yoru osoku nemasu to fluency
All course content and exercises are completely free — no paywalls, no trial periods.
- ✓ Infinitely deep — unlimited vocabulary and grammar
- ✓ Fast-paced — build complex sentences from the start
- ✓ Unforgettable — efficient spaced repetition system
- ✓ AI tutor to answer your grammar questions