Check the listing for details. Hapbee Smart Sleep Pad – Advanced Sleep Aid with Patented ulRFE Technology. Color: White, Condition: New. Listed at 125.99 USD. •ENHANCED LIFE QUALITY: Sleeping is a vital part of our lives in spite of many people neglecting the effect that bad sleep has on their wellness. A good night’s rest means excellent health, a better mood, more vitality, and productivity. To help you enjoy sleep like you used to, we have designed an advanced sleep pad that can have a huge impact on your well-being. •DON'T JUST TRACK YOUR SLEEP, IMPROVE IT: Now with your favourite smart wearable, you can track the improvement in your sleep night after night. Hapbee’s Smart Sleep pad uses a patented ultra-low radio frequency energy (ulRFE) technology to mimic the effects of nootropics and other similar substances, like melatonin, without actually having to take them.