Fatigue and stress feed off of each other, creating a vicious circle. An inadequate amount of good-quality sleep is a major contributor to feeling emotionally out of control. Unfortunately, serotonin production dramatically decreases during times of stress. Just when you most need your rest, low serotonin levels make you prone to insomnia. It's estimated that 80 million people have trouble sleeping, and 30 million suffer from chronic insomnia.
Stress is a contributing factor.
That is, their minds try to ignore the issues. But their bodies won't. Just see if you can get to sleep. The Rejuvenator Deep sleep helps erase the detrimental physical and emotional effects of stress. Researchers believe that during an eight-hour sleep cycle, the mind experiences four complete REM cycles of almost two full hours apiece.