What are sleep tracking apps and how do they work?
Sleep tracking apps have become increasingly popular recently and can be accessed via smartphone apps or using wearable technology for the wrist or finger.Though, less is known about the science behind them and how the apps actually work. Sleep expert and scientist at Emma Sleep, Theresa Schnorbach spoke to OK! about sleep apps and how they work.Theresa explained that the apps function by using “accelerometers or small motion detectors” that measure how much movement you're making while you sleep.