What does 夜 mean?
夜 is a Japanese noun meaning “night” in English. It can also be translated as “evening” depending on context. It is written as 夜 in kanji, よる in hiragana, and yoru in romaji. This word is part of JLPT N5 vocabulary.
Example sentence
あなたは夜よく寝れませんか。
Don't you sleep well at night?