Sana Health is an American startup developing “Sana” that relieves chronic pain and improves mental well-being. Sana is a portable device that provides treatment by audiovisual. It is estimated that 50 million people in the U.S. suffer from chronic pain and 10 million suffer from fibromyalgia. Users would see low pulses of light through the closed eyelids and hear sound pulses through the headphones. It measures the heart rate on the forehead. Using a smartphone app, the user can get personalized treatment depending on the current health condition. Sana Healthaim to get FDA medical device approval by the end of 2021.