Weight gain is regularly linked to getting less than 5 to 7 hours of sleep per night. So much so that one study found a 55% increase in the risk of future obesity among those who slept less than 7 hours each night (8). On the other hand, people who slept a healthier 7 to 9 hours per night did not have an increased risk of obesity.
There’s another way sleep deprivation can sabotage your weight loss goals: It heavily influences your eating patterns…
When you don’t get enough sleep, your body increases levels of ghrelin (a hormone that makes you hungry) and decreases leptin (a hormone that makes you feel full). As a result, sleep-deprived people spend their days feeling hungrier and less full—and are more likely to reach for high-fat and high-sugar food options (9, 10).
Melatonin can manage or reverse this issue—or even prevent it altogether—by helping you improve the quality and duration of your sleep. If you notice weight gain around the time you start taking melatonin, it’s likely that it’s a result of the lack of sleep that prompted you to start the melatonin in the first place!
Sleep Apnea & Weight Gain
Sleep apnea is one of the most common sleep disorders, yet most people don’t even know they have it. (It’s often confused with snoring and can go undetected for years). Sleep apnea occurs when breathing repeatedly stops and starts while sleeping due to airways being completely or partially blocked.