Natural Power Nap

A power nap is a short sleep which terminates before the occurrence of deep sleep or slow-wave sleep (SWS), intended to quickly revitalize the subject, added with binaural beats and sounds of nature, this 20 minutes nap will give you the boost you need (Stereo headphones recommended).

With this app, you can choose between 3 different melodies, Beach, midnight and a lake with rain and frogs.