best natural sleep enhancement . it is a dietary supplement for supporting the age-related and special requirements for proper sleeping function and much more. the ingredients in sleeptight have been scientifically shown to help you naturally: 1. fall asleep faster 2. stay asleep longer 3. awake feeling refreshed and well-rested 4. prolong the phases of sleep connected with memory and learning preservation 5. increase rem sleep and improve mood 6. enhance the immunostimulative phases of sleep 7. potentiate the rejuvenating effects of growth hormone with sleeptight