Actigraphy Sensor and PSG Device Manufacturers Bullish on Wireless and USB Technology Adoption: Fact.MR Study Rockville, MD, Jan. 16, 2019 (GLOBE NEWSWIRE) -- The US$ 1.78 billion actigraphy sensor and PSG devices market on course to grow at 4.3% in 2019, according to Fact.MR’s latest analysis. According to...