How to Say “What time did you go to bed last night?” in Japanese

How do you say “What time did you go to bed last night?” in Japanese?

Today’s phrase is :

What time did you go to bed last night?

昨日何時に寝た？

　kinou* nanjini neta

If you want to ask politely, you can say :

昨日何時に寝たんですか？

　kinou* nanjini netandesuka

Related

How to Say “What time do you usually go to bed?” in Japanese

• what time　＝　何時に　nanjini
• did you go to bed　＝　あなたは寝た　anatawa neta
• last night　＝　昨日の夜　kinouno yoru

We do not usually say “あなたは anatawa (= you)” in everyday conversation.