Did you know that every cell in your body is acceptable to wireless frequencies, including neurons forming the basis of what is known as brainwave entrainment.
A sound is a form of frequency and wavelength which is why your feet automatically taps to music on their own and your body naturally falls into tune with external frequencies while training itself to adjust and find its own balance known as resonant harmony.
Your body needs to rest as much as possible so it can work properly and produce the best results, however, with the advent of technology and modernization, a lot of people are abusing sleep and thus denying their bodies of growth.