Ich schlafe in der Nacht.

I sleep at night.

Breakdown of Ich schlafe in der Nacht.

• ich: I
• die Nacht: the night
• schlafen: to sleep

Questions & Answers about Ich schlafe in der Nacht.

Why is it in der Nacht and not in die Nacht?

In German, the preposition in can take either the accusative or the dative case. When indicating a time period (sleeping during the night), it uses the dative. Since Nacht is a feminine noun, the dative article is der, leading to in der Nacht.

Can I say nachts instead of in der Nacht?

Yes! Saying Ich schlafe nachts is common and means practically the same thing as Ich schlafe in der Nacht. Nachts translates to something like at night and is simply another way of expressing that you sleep during the night hours.

Why does the sentence use Ich with a capital letter?

In German, ich (I) is not usually capitalized unless it’s at the beginning of a sentence. Since it appears as the very first word here, it starts with a capital letter—this is just standard German spelling and sentence structure.

What’s the difference between Nacht and Abend?

Abend means evening and typically covers the time before nightfall, while Nacht refers to the late hours of darkness. If you say in der Nacht, you’re talking about the time after evening has ended, usually when people are sleeping.

Is schlafen a regular or irregular verb?

Schlafen is a strong (irregular) verb in German. It changes its stem vowel in the second and third person singular forms: du schläfst, er/sie/es schläft, so it doesn’t follow the typical pattern of a regular (weak) verb.