Researchers analyzed the sleep habits and body weight of 1,088 pairs of twins . 7 tips for the best sleep ever . Genes accounted for 70 % of BMI differences in twins who slept less than seven hours . Comment:
Researchers analyzed the sleep habits and body weight of 1,088 pairs of twins . Genes accounted for 70 % of BMI differences in twins who slept less than seven hours . Comment: