Getting the right amount of sleep and exercising several times a week can significantly cut the risk of stroke suggests a study. The researchers from the New York University found that an average sleep of seven to eight hours and vigorous leisurely activity or exercise of 30 to 60 minutes three to six times per week are healthy behaviours that can significantly decreased adults' stroke risk. But sleeping for a longer or shorter amount of time increased the risk people would suffer they said. The result showed that average sleepers -- those who slept seven to eight hours a night
