What does it mean word for word?
The phrase is a literal combination of 良い (good), 夜 (night) and the object marker を, with the verb 'to have' or 'to spend' omitted.
Which one should you use?
良い夜を is used to wish someone a pleasant evening ahead, whereas おやすみなさい is used specifically when someone is actually going to sleep or when ending a conversation late at night.
Is there a formal and an informal way to say it?
The short form 良い夜を is used in casual or semi-casual settings, such as between acquaintances or in a friendly shop, rather than in highly formal business settings. ごゆっくり休んでください is often used when bidding farewell to someone of higher status or showing extra politeness.
How does it change in a sentence?
The default form 良い夜を is an elliptical, slightly informal version of the more complete and polite 良い夜を過ごしてください (please spend a good night).
How do you pronounce it?
yoi yoru o
When do people say it?
The phrase よい夢を is used to wish someone a good night's sleep and sweet dreams in an informal manner. The phrase おやすみ can be used in informal situations to say "goodnight" or "sleep well."
Did you know?
- In many Western cultures, 'have a nice night' is a standard way to end a conversation, but in Japan, it is often felt to be slightly 'foreign' or poetic. It is more common to use phrases related to 'taking care' or 'resting' rather than wishing someone a 'good' night.
- If you are leaving a restaurant or shop at night, the staff will likely not say 良い夜を but will instead use ありがとうございました (thank you very much) as the primary way to wish you well.
- When saying おやすみなさい instead of 良い夜を, the 'o' at the beginning is an honorific prefix used to show respect to the person you are addressing.
Examples in context
- 田中さん、おやすみなさい。Mr./Ms. Tanaka, have a nice night.
- 社長、ごゆっくり休んでください。President, please have a restful night.
- おやすみ、明日会おうね!Goodnight, let's meet up tomorrow!
- マリア、おやすみ。よい夢を!Maria, goodnight. Sweet dreams!
- それでは、良い夜を。Sore de wa, yoi yoru o.Well then, have a nice night.
- 皆さん、良い夜を。Minasan, yoi yoru o.Have a nice night, everyone.
Example conversation
Yota and Misaki are saying goodbye after dinner.
- 陽太 Yota今日はありがとう。良い夜を。Kyou wa arigatou. Yoi yoru o.Thanks for today. Have a nice night.
- 美咲 Misakiこちらこそ。陽太さんも良い夜を。Kochira koso. Youta-san mo yoi yoru o.Likewise. You have a nice night too, Yota.
- 陽太 Yota気をつけて帰ってね。Ki o tsukete kaette ne.Get home safely.
- 美咲 Misakiありがとう。またね!Arigatou. Mata ne!Thanks. See you!