Should I go to bed on an empty stomach? No, unless you want your stomach to growl and grumble. Should I go to bed full? No, unless you want your body to be busy digesting your food while you’re lying down. Standing up helps to digest your food. Gravity helps to move it down through your body. The key is to go to bed not hungry nor full but in the middle.
Sleep Tip #94: Go to bed hungry but not starving.