I'm just coming out of a very stressful period that encompassed nearly every waking and resting minute of my day for several years. After a fairly major life ch

I'm just coming out of a very stressful period that encompassed nearly every waking and resting minute of my day for several years. After a fairly major life change and quite a few problems clearing up I noticed that I was suddenly dreaming again. I hadn't realized that I had stopped so I'm not even sure how long it's been, but now that I'm doing it again see how damaged my sleep has been. After just a few good sleep cycles with dreams I feel like my mental state has been turning around significantly. What are dreams for? I'm not sure the specifics, but they definitely make me feel better.