nice page. The importance of sleep in adults :
Sleep is essential for your physical and emotional wellbeing. For older adults, a good night's sleep is especially important, as it helps to improve concentration and memory formation, allows your body to repair the cell damage that occurred during the day, and updates its immune system, which in turn helps to prevent the disease.
Many doctors believe that the dream of being a barometer of the health of a person, like taking your temperature. Older adults who do not sleep well are more likely to suffer from problems with depression, attention and memory, and excessive daytime sleepiness. They are prone to falling over night, have increased sensitivity to pain, and the use of sleeping pills over the counter or prescription. Lack of sleep can also lead to many serious health problems in older adults, including increased risk of cardiovascular disease, diabetes, weight problems, and breast cancer in women.
Aerobic exercise helps older adults sleep better http://sleepforhealthy.com/theimportanceofsleepinadults/