Washington: Mad because your diet program never showed the results? Maybe you should check the schedule of sleep a night. A study conducted by experts from Kaiser Permanente, Washington, United States, found a night's sleep more than six hours every day diet can help. The study involving 500 participants this, found those who slept more than six hours on a regular basis can lose weight up to 10 pounds (4.5 kilograms). Researchers believe sleep can lower stress levels will be very useful for the diet program. Because stress tends to activate the various factors that may promote weight loss. "We advise those who are dieting to review their schedules and go to bed earlier than usual. Mild exercise and meditation can reduce stress levels and help you to get quality sleep," said study leader, Charles Elder.