Why does lack of sleep fosters weight gain?

Many reasons can explain a gain of weight when you don’t sleep enough. We are telling you why.

Why does lack of sleep fosters weight gain?

Why does lack of sleep fosters weight gain?


Working too much, stressed, you are gaining weight and can’t recover? What if weight was partially linked to your sleep? Often neglected, sleep does have a big importance for your health. Here, we are telling you why.

First of all, you need to know that hunger is controlled by 2 hormones. The first one is ghrelin. Is it produced by your organism when it needs more energy. Ghrelin will therefore stimulate your appetite. The second hormone is leptin. As you might think, it does the opposite of ghrelin and sends a message of satiety when your organism estimates that it has enough energy.

What happens when you don’t sleep enough?

If you don’t have enough hours of sleep, you will have less energy and your body will therefore produce more ghrelin. Your hunger is stimulated and you eat more, so you’re gaining weight. Furthermore, tiredness makes you rush on comforting food that is often too fat, too sweet or too salty.

But that’s not all. As you’re sleeping less, you have less energy so you will be less willing to get active, and of course, by reducing your physical activity, your weight goes up too.

However, all your internal clocks are regulated at night, including metabolism. If your metabolism slows down, your body switches to “saving” mode and uses less calories. And of course, the gain of weight can be very quick!

All this explains why we tend to feel less hungry when we sleep.

How to have some quality sleep?

Now that you know that sleep is important for your health and your weight, be on the safe side by taking good habits.

The minimum amount of sleep is usually 6 to 8 hours depending on the person, so find out what time you should go to sleep based on the time you should wake up.

You should also get used to stop looking at a screen 1-2 hours before. In today’s world, we are already spending a huge amount of time in front of screens, and unfortunately this light stimulates our brains and prevent the production of melatonin (the hormone of sleep) since it’s sensitive to light. Reading a book, drawing, listening to music or knotting a little bit are some activities that won’t prevent you from sleeping. It’s now up to you to decide.

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