Hello Sleepwalkers (ハロー・スリープウォーカーズ) is a five-member Japanese alternative rock band from Okinawa formed in 2008. The band is signed to A-Sketch Music Label and have currently released three studio albums, two extended plays, four single albums, and ten singles. They are best known for performing the opening theme song of the anime Noragami, "Goya no Machiawase" (午夜の待ち合わせ, Midnight's Appointment). In November 2018, the band announced their hiatus.