10 Lies We Still Believe

sleeping average is 8 hours. School age children (6-13): Sleep range widened by one hour to 9-11 hours (previously it was 10-11) Teenagers (14-17): Sleep range widened by one hour to 8-10 hours(previously it was 8.5-9.5) Younger adults (18-25): Sleep range is 7-9 hours (new age category)