How does lack of sleep contribute to obesity? (There may be more than one correct answer. Please select all correct answers.)Group of answer choicesSleep-deprived people eat more because they feel less satisfied after eatingSleep-deprived people eat more because they feel more hungrySleep-deprived people eat more because they burn more energySleep-deprived people burn less energy

Lack of sleep can contribute to obesity in several ways:

1. Sleep-deprived people eat more because they feel less satisfied after eating: Lack of sleep can disrupt the normal functioning of hormones that regulate hunger and satiety, such as ghrelin and leptin. This can lead to increased food intake as individuals may feel less satisfied after eating.

2. Sleep-deprived people eat more because they feel more hungry: As mentioned above, sleep deprivation can disrupt the balance of hunger-regulating hormones. This can lead to increased feelings of hunger, prompting individuals to eat more.

3. Sleep-deprived people burn less energy: Lack of sleep can also affect the body's metabolism, leading to decreased energy expenditure. This means that even if a sleep-deprived individual does not increase their food intake, they may still gain weight due to burning fewer calories.

The statement "Sleep-deprived people eat more because they burn more energy" is not typically correct. While it's true that staying awake requires more energy than sleeping, the increase in energy expenditure is usually not significant enough to cause increased food intake. Moreover, as mentioned above, sleep deprivation can actually lead to decreased energy expenditure overall.