How to get sound, restful sleepRestful sleep provides the foundation for our mental and physical well-being. Millions of people suffer from some form of insomnia, resulting in fatigue, lack of mental alertness, and weakened physical and mental health. Lack of sleep also contributes to both minor and major injury accidents.Studies have shown that if you wake up at 3:00 in the morning and do not get back to sleep -- your immune cells do not work as well for the next 24 hours. Once you have a full night of sound sleep, they regain their disease-fighting abilities.A chronic lack of sleep may cause much more serious problems than a simple tendency to doze off the next day. People who do not get enough sleep on a regular basis may become less sensitive to insulin which, over time, can raise the...