Читать книгу The Art of Sleeping: the secret to sleeping better at night for a happier, calmer more successful day - Rob Hobson - Страница 45

46 mentally exhausted. Notably all of these symptoms improved dramatically when they returned to a normal pattern of sleep. WEIGHT GAIN If you’re putting on weight or finding it difficult to lose weight, research suggests this may have something to do with a lack of good-quality sleep. Studies carried out by Loughborough University found that people who habitually sleep for less than six hours per night were more likely to have a higher than average Body Mass Index (BMI) while those who got eight hours had the lowest BMI score. It’s becoming more widely accepted that along with a lack of exercise and poor diet, a lack of sleep may potentially be just as influential in the development of obesity. is is because lack of sleep is thought to impact on the hormones leptin and ghrelin which control our appetite and may play a role in weight gain. Leptin, oen referred to as the satiety hormone, is released from fat cells and sends signals to the hypothalamus in the brain, which helps to inhibit hunger and regulate energy balance so the body does not trigger hunger responses when energy is no longer needed. Ghrelin is oen referred to as the hunger hormone and is released by the stomach to stimulate appetite, thus increasing food