[2] It exceeded 500,000 shipments by May 28 and became the first single by a foreign female artist to be certified Double Platinum by the Recording Industry Association of Japan (RIAJ).

[3][4][5] On April 1, 2018, Twice announced the release of their third Japanese single titled "Wake Me Up", along with the news that Twice would appear in a television commercial for ABC-Mart and Nike Air Max.

[10] "Wake Me Up" was composed by Atsushi Shimada, Louise Frick Sveen, and Albin Nordqvist, with lyrics written by Natsumi Watanabe.

It was directed by Jimmy of BS Pictures, the same team that produced Twice's previous music videos, "TT (Japanese ver.)"

[21] This is Twice's third consecutive release to surpass 200,000 sales in its first week, making the group the first foreign artist in Japan to achieve this.