Breath practices and control have shown to have miraculous effect on the mind, body and soul. During distress our breathing changes becoming rapid, or slowing it down and even breathlessness resulting in breathing from the mouth. Though we cannot control our breathing consciously when asleep, but we can always try to have some minutes in the day to practice breathing techniques as our daily routine. Learn few breathing techniques for better sleep and relaxation from this blog by trainingspeaks.com