Some research studies
have revealed that short sleep and weight gain are linked! Losing sleep tends to make us eat more and gain weight, and
now a new study suggests that one reason may be the impact that sleep
deprivation has on the brain. If you're a short sleeper,
that is, you sleep for 5 to 6 hours or less a night, you'll have trouble losing
weight! In a 7-year study of 7,022 middle-aged people, researchers found that women
who reported sleep problems were more likely to experience a major weight gain.
According to a study published
in the American Journal of Clinical Nutrition, when we are sleep-deprived, our
general energy expenditure is 5 % less than it is when we get a good night's
sleep, and the post-meal energy expenditure is 20 % less. In a study at the
American Heart Association's 2011 Scientific Sessions, it was shown that women
who got only 4 hours of sleep, ate 329 additional calories the next day than they
did after 9 hours sleep.
In another study published
in the American Journal of Clinical Nutrition, 11 volunteers spent 14 days at a
sleep center on two occasions. During one period, they slept 5.5 hours a night,
and during the other, they slept 8.5 hours. When the subjects were
sleep-deprived, they increased their nighttime snacking and were more likely to
choose high-carbohydrate snacks.
This is probably the biggest
revelation about the connection between sleep and weight loss—and the biggest
challenge for you if you're not getting at least 7 hours of sleep each night.
Sleeping too little affects the hormone levels in our body. The two hormones
that are key in this process are ghrelin
and leptin.
Ghrelin, a hormone released
by the stomach increases hunger, slows metabolism and decreases the body’s
ability to burn fat. Lack of sleep causes
ghrelin levels to rise, which means your appetite is stimulated, so you want
more food. When you don't get enough sleep, it drives leptin levels down, which
means you don't feel as satisfied after you eat. The two combined, can set the
stage for overeating, which in turn may lead to weight gain. Now that you are
eating more, your metabolism is slower when you are sleep-deprived; it explains
all the reasons for weight gain!
Sleep is an important tool
in weight management. These studies clearly indicate that getting enough sleep
can help prime your brain to help you win the battle against weight gain. It’s the most effective thing people can do every day
to reset their brain and body health.