text_1: How much sleep shoulda 13 yr old girl get a night?Shes very active&is trying to get a flatter stomach.She weighs 84lbs&is 4' 11"
text_2: My sister is trying to lose weight. She eats healthy, is active but is not able to lose any. We did some reading and read that not sleeping enough at night can lead to weight gain. Is that true?