When I'm stressed the first thing I do if possible is to have a cold shower and very slowly. I do come out refreshed and energized. Also, listening toy favourite music with my headphone works magic for me. If I still have enough energy, I might decide to take a walk with my earphone still plugged and decide to take a walk around. I also talk to my friends either on phone or try to get them to come over to my place. Life is short, don't let stress make it shorter.