Heart alarm while sleeping: Munich's top doctor warns of four dangers. Poor sleep puts the body under stress and can increase blood pressure.
Seven to nine hours of sleep is considered optimal. For children, bed rest may be longer depending on their age. Here Dr Keti Vitanova's eight tips on what you can do to improve your sleep: Try to get up and go to bed at the same time every day - even on weekends - and stabilize your bhiorhiorrhythm.