This is our list of natural sleep aid including foods, herbs, vitamins and supplements to select from if you're someone who has short-term or chronic insomnia. It is estimated that between 1 and 3 people worldwide have occasional short-term insomnia and 1 in 10 people have chronic insomnia or nightly sleeplessness that lasts over several weeks. There are of course certain dietary adjuncts that can also influence better sleep.