STAY LONGER made "SLEEP!" available on October 1, 2021. With SLEEP! being less than two minutes long, at 1:22, we are fairly confident that this song is not explicit and is safe for all ages. Based on the duration of this song, this song duration is much smaller than the average song duration. Since SLEEP! only contains only one song in the album, we like to consider this song as a single. In terms of popularity, SLEEP! is currently not that popular. Since there is more of a neutral sound being played, this makes the track somewhat danceable.

SLEEP! テンポ

With SLEEP! by STAY LONGER having a テンポ of 113 with a half-time of 56 テンポ and a double-time of 226 テンポ, we would consider this track to have a Moderato (at a moderate speed) tempo marking. Because of this, we believe that the song has an overall moderate tempo. The time signature for this track is 4/4.

SLEEP! キー

This song has a musical key of E Major. Or for those who are familiar with the camelot wheel, this song has a camelot key of 12B. So, the perfect camelot match for 12B would be either 12B or 1A. While, 1B can give you a low energy boost. For moderate energy boost, you would use 9B and a high energy boost can either be 2B or 7B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 12A or 11B will give you a low energy drop, 3B would be a moderate one, and 10B or 5B would be a high energy drop. Lastly, 9A allows you to change the mood.