Although being tired and run down doesn’t cause colds, research has backed up the long-time belief that being tired can help reduce your defenses, increasing your risk of developing a cold if exposed to a virus.
This belief is that sleep is supposed to be restorative. It gives your body a chance to settle down, lower its blood pressure and replenish – so to speak – its reserves for another day of living. If you don’t sleep, you can be vulnerable to many illnesses.
Researchers in the United States studied a group of 153 healthy men and women who had no signs …read more