A business comparison to stress is demand and supply. Just like there should be a demand to focus on supply, there are reasons that create stress. Stress is the mental or emotional strain caused by demanding or adverse circumstances. There are some obvious and less-obvious factors that contribute to stress.

Researchers at Harvard Medical school conducted a study and found that yoga improved: sleep efficiency, total sleep time, total wake time, the time it took to fall asleep, and the duration of sleep of the participants.