What effect (if any) does sleep have on weight loss or gain? One study found that sleep deprivation in men increased their preferences for high-calorie foods and their overall calorie intake.
Another study that was performed found that women who slept less than six hours a night or more than nine hours were more likely to gain 11 pounds (5 kilograms) compared with women who slept seven hours a night.
ghrelin and leptin. These are the hormones that control the appetite.
Another contributing possible influence would be that the constant tiredness from poor quality and quantity of sleep might result in fatigue and less physical activity during the day.
Also bear in mind that if you sleep less, you will be taking in more calories. There are several reasons for this, such as the changes in your glucose metabolism brought on by sleep deprivation that can cause your body to hoard the calories you consume during the day. The focus switches to storing calories as fat instead of burning them.
Another problem is that not getting adequate sleep will produced large amounts of the hormone cortisol, which is know to increase your appetite. And if you are awake longer, there is more time for you to eat! The good old late night snacks will not help the waist line.
But the real bad news for dieters who are regularly up late “burning the midnight oil” is that people who sleep less and still manage to lose weight are losing more of their lean muscle mass and less of their actual fat.
But don’t take my word for it. Watch these videos and learn!
Oprah Winfrey Show Dr Oz – The Weight Loss Benefits Of Sleep