Muse S Athena Review: What an EEG Headband Showed Me That My Watch Couldn’t
Product Reviews | Brain-Sensing Technology By David Johansson For years, my watch told me I was a terrible sleeper. Most nights it logged 25 minutes of deep sleep. Some nights, a flat zero. If you believed the wrist, my brain was barely getting any of the deep sleep that’s supposed to keep it healthy. Here’s…
