PUBLISHED: PUBLISHED: 04:00, Wed, Aug 12, 2020
Sleep requirement varys from person to person but most healthy adults need between seven to nine hours of sleep per night to function at their best. Children and teens need even more and sleep deficiency can cause a lot of problems. Nutritionists believe that getting too little sleep alters our metabolism so our bodies cannot process food as effectively.
Just one hour sleep extra every night could help you to lose weight within weeks.
Dr Mosley explains: “There is a close link between not getting enough sleep and becoming overweight.
“One of the things that happens when you get less than seven hours sleep a night, you become crazily hungry the next day, particularly craving carbs.”
The expert explains that studies have shown that after a single night of poor sleep, people on average eat around 350 extra calories the following day.
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Less sleep means snacking more, which then means exercising less. This can cause you to put weight on quite quickly.
Dr Mosley says: “A few years ago I took part in an experiment where we asked people to cut their sleep down to less than five hours on two consecutive nights and we found that this had a devastating effect on their blood sugar control, but also on their hunger hormones.”
Hormone levels are affected by sleep which ultimately can cause weight gain and obesity.
The expert says: “One hormone, cortisol, regulates metabolism of sugar, protein, fat, minerals and water.
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“Along with higher levels of resistance to insulin, which have also been spotted in the sleep-deprived, changes in