Yoga intervention can improve cancer patients’ sleep quality, insomnia, fatigue, and quality of life, reports Time Warner Cable News.

“One of the things that’s important about sleep is that sleep disorders in and of itself become persistent and severe and turn into maybe clinically diagnosed insomnia would actually present increased chances for comorbidity and mortality in anyone. Then when you combine that with a cancer patient you have all this added increased risk,” said Dr. Karen Mustian from the Wilmot Cancer Institute.