THE SCIENCE-BACKED FORMULA FOR FASTER, BETTER, AND DEEPER SLEEP SleepyPatch uses the natural power of essential oils such as Lavender and Mandarin to calm the nervous system and quickly relax your body into a state of deep sleep. Better yet, it's the kind of deep (REM) sleep that your brain needs to wake up feeling refreshed and build positive memories; and enjoy a calmer, less anxious, and more productive day thanks to increased concentration and focus.