Nine Muses are back with the release of latest single titled "Sleepless Night."

On Monday, Nov. 23, Nine Muses released the music video for "Sleepless Night" on the group's official YouTube channel.

"Sleepless Night" is an emotional dance song that showcases each of the members amazing vocals and model-like bodies. The song was produced by Brave Brothers, who is popular and best known for working with artists such as SISTAR and 4Minute. This is the first time that Nine Muses is working with Brave Brothers.

Since the release of the music video, fans are loving their new single and are hoping that Nine Muses can win some first place trophies on the major music shows.

"Nine Muses is on fire this year, and only getting better! This better score some wins in music shows!," said YouTube viewer Star Yu in the comment's section of the video.

"Sleepless Night" is contained in Nine Muses' fifth EP LOST, and contains a total of six tracks.

Nine Muses previous promotion activity was in July, with the release of "Hurt Locker." Nine Muses will be initiating comeback promotions on the major music shows this week.

Nine Muses consist members Kyungri, Hyuna, Euaerin, Sungah, Hyemi, Minha, Sojin, and Keumjo.