Al Cisneros - vocals & bass
Matt Pike -guitar
Justin Marler -guitar
Chris Hakius drums
Matt Pike went on to form the Stoner Doom band High on Fire.
Al Cisneros and Chris Hakius went on to form the Stoner Doom band Om.
The song "Dopesmoker" (highly shortened obviously) was included in the official soundtrack of the movie Broken Flowers, directed by Jim Jarmusch and starring stars like Bill Murray and Sharon Stone.
Sleep songs "Dragonaut" as well as "Some Grass" were featured in the movie Gummo.

Primitive and Deadly is the eighth studio album by American musical group Earth. It was released on September 2, 2014, through Southern Lord Records. The album, which features Mark Lanegan and Rabia Shaheen Qazi of Rose Windows as guest vocalists, is the first Earth album since Pentastar: In the Style of Demons (1996) to feature vocals. Other contributors include Brett Netson of Built to Spill, Jodie Cox of Narrows, and Bill Herzog of Jesse Sykes.

The third track off the album, "From the Zodiacal Light", was released for streaming on June 18, 2014. In support of the record, the band embarked on a world tour in 2014.

Old School/Death Doom Metal from QC, Canada.

Advaitic Songs is the fifth studio album by American rock band Om, released on July 24, 2012. The album has received a generally favorable response from both fans and critics, though its reception was more mixed than past works. The album has a 67 on Metacritic, indicating "generally favorable reviews". As with Pilgrimage and God Is Good, Advaitic Songs' album cover again visits Iconography from Christianity. The cover of the album features an image of John the Baptist.