Charlie Sheen -- Commuter Rehab

Charlie Sheen will resume shooting "Two and a Half Men" next week during the day, but he'll go back to rehab at night ... sources tell TMZ.

As we first reported Sheen was going back to the set next week to shoot the remaining 4 episodes of the season.

Our sources tell us Charlie will be in rehab full-time until early Monday morning, when he'll fly to Aspen for his felony arraignment.

He'll come back to L.A. Monday night, where he'll sleep at the rehab facility and then show up on Tuesday to film the show.

We're told after each day on the set Charlie will go directly back to rehab.

As for how he's doing, multiple sources say he's doing great and his doctors have given him the go-ahead to resume filming.