Can xanax and muscle relaxants be mixed?

Tizanidine

I did and I fell asleep within a very short amount of time. My breathing was very shallow and I felt very weak because of it. I think it depends on the specific medications and doses but I would...

I do it everyday

All drugs in the muscle relaxant class may cause sedation. Baclofen, when administered intrathecally, may cause severe CNS depression with cardiovascular collapse and respiratory failure

yes it is also used for a muscle relaxant...