Ready to crawl into bed after a long day of "normal human" cosplay? Hoping to fall asleep fast instead of staring at your ceiling for hours? You probably already have the ingredients you need for a dietitian-approved bedtime snack that'll help you drift off. s a strong case for a banana with peanut butter as the best snack for better sleep. What a dietitian wants you to know about eating before bed: What you eat before bed and how soon before bed that you eat it can affect both sleep and your digestion. If your food isn't digested before you...