If you ever spend a night tossing and turning, it may not surprise you that two out of three women have trouble sleeping. And even though studies have shown that the minimum amount is seven hours for us (seven and a half for men), the majority of us don't get that. Not only will this lack of rest make you unhappy, but a continued lack of sleep can contribute to a variety of health problems, including a 50% increased risk of viral infections, an increased risk of heart disease and stroke, plus mental decline, overeating and accelerated aging. So what to do? We've all heard the advice about darkening your room, turning off the TV and drinking warm milk, but here are some other tips you may not have heard.