Which link between sleep and weight gain?

Have you ever noticed that your weight is lower in the morning than when you go to bed at night? If you are planning to lose some extra pounds, the easiest strategy for you could be simply sleeping more.

Research studies have shown that adults who sleep less than five or six hours - or more than nine hours - a night are at higher risk of being overweight. Among children, sleeping less than 10 hours a night is associated with weight gain. One explanation may be that sleep duration affects hormones regulating hunger and stimulates the appetite. Another contributing factor may be that lack of sleep leads to fatigue and results in less physical activity.

In a recent article, Mayo Clinic shows the correlation between the amount of sleep a person needs and his or her age. Here are some general guidelines for different age groups:

(1) Infants should get 9-10 hours at night, plus 3 or more hours of naps
(2) Toddlers: 9-10 hours at night, plus 2-3 hours of naps
(3) School-age children between 9 and 11 hours
(4) Adults between 7 and 8 hours a night

Some other factors can affect how many hours of sleep a person needs, such as: pregnancy, aging, previous sleep deprivation or one’s sleep quality....