Originally Posted by MPF
On November 19, 2009 Al Cisneros confirmed in an interview with The Obelisk that Sleep will be reuniting in the fall of 2010 for some US dates. It has also been confirmed that Jason Roeder (of experimental metal band Neurosis) will replace Chris Hakius on drums. 
The group are confirmed to play the ATP New York 2010 music festival in Monticello, New York this September where they will perform Holy Mountain in its entirety.
Damn, that's too awesome has the other dates been determined yet?