"Nemurenu Yo ni" (眠れぬ夜に, lit. "On a Sleepless Night") is a song by Japanese singer-songwriter Rina Aiuchi. It was released on 19 December 2007 through Giza Studio, as a double A-side with "Party Time Party Up" and the third single from her sixth studio album Trip. The single was released in the four editions: two standard editions and two limited editions. Following the release, the single peaked at number eight in Japan and has sold over 18,413 copies nationwide.[1] The song served as the theme songs to the Japanese television show, Kami Summers.
