Keto Complete Diet Reviews: For most of us, that means, you'll need 7 hours or more a night. "Prior studies have shown that after just a few days of sleep restriction, the hormones that control appetite cause people to become hungrier, so we thought that women who slept less might eat more," Patel says. "But, in fact, they ate less. That suggests that appetite and diet are not accounting for the weight gain in women who sleep less." Many people struggle to get enough high-quality sleep. However, eating these 9 foods before bed could help you sleep better at night.