[1] It was written by all members of Pentatonix with Elof Loelv, Kevin Figueiredo, Teddy Peña and William Wells, and was produced by the band.

A second version of the song, featuring American musician Tink, was released on September 18, 2015.

"Can't Sleep Love" first entered the US Billboard Hot 100 at number 99 on the week ending November 7, 2015.

The music video for "Can't Sleep Love" was released at September 4, 2015.

Pentatonix performed "Can't Sleep Love" on The Tonight Show Starring Jimmy Fallon on October 16, 2015.