Stress and tension can often cause sleepless nights.Stress and tension can often cause sleepless nights. Maybe you toss and turn during the night and wake up the next morning still tired... resulting in you having to drag yourself through the day. Michael Schwartz and Susan Smith Jones, PhD, share  foods and nutrients to help you sleep without feeling hungover the next morning.  Plus, they share natural ways to accomplish good sleep that will not add toxins to your body.