Apple Watch app that helps with nightmares, PTSD gets FDA clearance

The US Food and Drug Administration (FDA) has approved the sale of NightWare, an Apple Watch app that helps treat nightmares due to disorders like post-traumatic stress disorder (PTSD). NightWare can detect nightmares based on its analysis of heart rate and body movement. The digital therapeutic device provides vibrations through the Apple Watch while the product is in use.