Having a regular, age-appropriate bedtime and getting sufficient sleep from early childhood may be important for healthy body weight in adolescence, according to new research. Those who had no bedtime routine at age 9 had shorter self-reported sleep duration and higher BMI at age 15.

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Having a regular, age-appropriate bedtime and getting sufficient sleep from early childhood may be important for healthy body weight in adolescence, according to new research. Those who had no bedtime routine at age 9 had shorter self-reported sleep duration and higher BMI at age 15.