The fact of self employment is, if you have a bad day or something goes wrong, then you're completely on your own. There's no one else to talk to about it, and no one to ask for help. Self employment can get very lonely and at times, very hectic. Working alone also means that there's no help, and self employment can put a lot of pressure on your shoulders.
How do you manage stress when you work from home as a self employed professional? Sometimes, the best thing to do is simply take a break and walk away for a little while. Self employment and working from home also means there's no boss hanging over your shoulder, so you get to decide when it's time to take a rest. Do something to get your mind off work, even if it's only for fifteen minutes.
And every so often, treat yourself so that self employment stress doesn't weight you down. Take a midday break and go shopping, go out to eat, do something extra special. After all, you work alone, so why not take an extended lunch every once in a while?
To manage stress, simply give yourself a break. Turn off the computer, turn off the phone, and turn off your mind. Just relax. When you go back to your work, you'll have fresher eyes and a clear head. That goes a long way toward fixing any problems you may be having in work.