We have the unfortunate tendency in this culture to associate sleep with being sluggish. Not so: We now know that sleeping revs up the metabolism, so the longer you sleep the more fat you burn. Sleep also regulates hormones that control appetite and energy production. When you skip sleep, your body produces more ghrelin, which triggers cravings, and less leptin, which makes you feel full and satisfied with your food intake.
https://ipsnews.net/business/2021/02/27/vivaslim-supplement-reviews-dont
