Languages › Japanese Gussuri Oyasumi Sleep Tight in Japanese Share Flipboard Email Print Per-Gunnar Ostby/Getty Images Japanese Essential Japanese Vocabulary History & Culture Japanese Grammar by Namiko Abe Namiko Abe is a Japanese language teacher and translator, as well as a Japanese calligraphy expert. She has been a freelance writer for nearly 20 years. Updated March 24, 2019 Meaning: Sleep tight Pronunciation: Listen to the audio file for "Gussuri oyasumi." Japanese Characters: ぐっすりおやすみ。 More Partings: Previous phraseNext phraseSimple Japanese Phrases Continue Reading