There are so many ways people can reduce stress.  I found these two links to be extremely helpful:

Stress Management for Parents:  http://childdevelopmentinfo.com/family-living/stress/
(out of the 52 proven ways to reduce stress, I find #12 to be unreasonable, just my opinion, lol)

10 Ways to Reduce Single Parent Stress:  http://www.parents.com/parenting/dynamics/single-parenting/how-to-reduce-single-parent-stress/
(found these to be more helpful)