20 minutes is when you should start turning off electronics before bed. 2 dental check-ups per year. 7 minimum hours of sleep each night. 8 grams of fiber should be eaten at breakfast to control blood sugar throughout the day. 300 extra calories are consumed for those who do not get enough sleep. 21 days to break a bad habit. 150 is the number of minutes you should be working out each week. 2 1/2 cups of vegetables per day. 8 cups of water. 2000 calories a day. 1 physical exam per year.