WHY FIVE DAYS? Within 5-Days, you will know whether NODZZZ is the right sleep solution for you. Immediately the ingredients in NODZZZ begin to work on the areas that disturb your ability to sleep. These nutrients have a compounding effect on the body. As you continue to use them each day, your body begins to reset, get into the natural rhythms of sleep, and create greater strength in your internal sleep processes and mechanisms.