[News release] Losing 30 minutes of sleep per day may promote weight gain and adversely affect blood sugar control
From the 7 March 2015 news release at Newswise
….At 12 months, for every 30 minutes of weekday sleep debt at baseline, the risk of obesity and insulin resistance was significantly increased by 17% and 39%, respectively….
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[Press release] Expert Panel Recommends New Sleep Times
From the 2 February 2015 National Sleep Foundation press release
…
This is the first time that any professional organization has developed age-specific recommended sleep durations based on a rigorous, systematic review of the world scientific literature relating sleep duration to health, performance and safety,”
…
National Sleep Foundation’s Sleep Duration Recommendations:
Age Recommended May be appropriate Not recommended Newborns0-3 months
14 to 17 hours 11 to 13 hours18 to 19 hours Less than 11 hoursMore than 19 hours Infants4-11 months
12 to 15 hours 10 to 11 hours16 to 18 hours Less than 10 hoursMore than 18 hours Toddlers1-2 years
11 to 14 hours 9 to 10 hours15 to 16 hours Less than 9 hoursMore than 16 hours Preschoolers3-5 years
10 to 13 hours 8 to 9 hours14 hours Less than 8 hoursMore than 14 hours School-aged Children6-13 years
9 to 11 hours 7 to 8 hours12 hours Less than 7 hoursMore than 12 hours Teenagers14-17 years
8 to 10 hours 7 hours11 hours Less than 7 hoursMore than 11 hours Young Adults18-25 years
7 to 9 hours 6 hours10 to 11 hours Less than 6 hoursMore than 11 hours Adults26-64 years
7 to 9 hours 6 hours10 hours Less than 6 hoursMore than 10 hours Older Adults≥ 65 years
7 to 8 hours 5 to 6 hours9 hours Less than 5 hoursMore than 9 hours The recommendations are the result of multiple rounds of consensus voting after a comprehensive review of published scientific studies on sleep and health.