Irwin Naturals Power to Sleep PM contains natural botanicals that help you get the deep, restful sleep you need to stay healthy and happy. This gentle yet effective formula helps you relax while replenishing the body’s mineral stores and nutrients that help the body cope with all kinds of stress. It contains the herb Valerian, which has been traditionally used among warring tribes to promote peaceful negotiations. This herb, along with other botanicals, helps you relax and feel calm. This formula also provides Melatonin and GABA to promote a healthy sleep cycle. The herb Ashwaganda is included for stress relief. Plus, this unique formula provides calcium and magnesium, which help keep the nervous system healthy. All these natural ingredients work together to improve your sleep and help you wake up feeling rested and rejuvenated.