[Verse 1: SuA, Siyeon, Yohyeon]
Jamgyeore eoneusae (Eoneusae)
Neukkyeojineun neoye (Eum neoye)
Nal jaeuneun moksoriwa
Ganjireopineun meorikarak da
How could I be asleep? (Oh-oh)
How could I be asleep?
Neoye pum geu soge pogeunhi
Du soneul moa angyeo

[Pre-Chorus: JiU, Gahyeon]
Neon naega gajin gajang keun byeol (Na, na)
So good night, challanhan bit geurigo na

[Chorus: Siyeon, Gahyeon, Yohyeon]
Gipeun saebyeogi nal chajaoge dwemyeon
Sel su eomneun saenggak soge jamgyeoseo (Oh-oh-oh-oh)
Jamdeulji motan bame (Ooh-ooh)
Hayeomeopshi angillae
Saebyeoge neoyege
Natboda deo tteugeopge

[Verse 2: Dami, SuA, SuA & Yoohyeon, Yoohyeon]
Keoteun sai aryeonhi naege bichweojin
Hayan dalppit tto, yeah
Bang an gadeuki chan gonggimajeo
Areumdapge neukkyeojige hae neoraneun bit
Areunareunhage boyeo
Urin gateun kkumeul kkweo
Geuge sangsangirado
[Pre-Chorus: Siyeon, Gahyeon]
Neon nareul pumeun haneure dal (Na, na)
So good night, challanhan bit geurigo na

[Chorus: JiU, Dami, Yohyeon]
Gipeun saebyeogi nal chajaoge dwemyeon
Sel su eomneun saenggak soge jamgyeoseo (Oh-oh-oh-oh)
Jamdeulji motan bame (Ooh-ooh)
Hayeomeopshi angillae
Saebyeoge neoyege
Natboda deo tteugeopge

[Bridge: Siyeon, JiU, Gahyeon, Dami]
Gwaenchaneun cheokajiman
Neodo nawa gatgetjiman
Maeil haru kkeuten
Seoroga hamkke isseunikka
Oh-oh, oh-oh, oh-oh, whoa-oh
Ttokkateun haru banbokdwaedo gwaenchana (Okay)
Dwibakkwieo beorin natgwa bamdo
Neoreul gidarida gadeuk chaeweojin mam
Geumankeum jigeum joa nan deo

[Refrain: SuA]
Seupgwancheoreom nal
Kkok kkeureoankkoseo
Nochi mara jweo deo
Kkum sogeuro deryeoga
[Chorus: JiU, SuA, Siyeon, Yohyeon]
Gipeun saebyeogi nal (Ah-ah) chajaoge dwemyeon
Sel su eomneun saenggak soge jamgyeoseo
Jamdeulji motan bame (Bame)
Hayeomeopshi angillae (Oh)
Saebyeoge neoyege
Natboda deo tteugeopge