How to say “I need eight hours of sleep.” in JapaneseIn Japanese八(はち)時間(じかん)は寝(ね)ないとだめなんだ。Hachijikan wa nenai to dame na n da.▶ Hear it in JapaneseI need eight hours of sleep. in other languagesWhat I need eight hours of sleep. meansIn PortugueseIn French