You could monitor your sleep using the science of actigraphy but, as we've learned, accelerometers don't always make for the best slumber trackers. The real deal stuff, used by scientists, requires all sorts of electrodes, which are a tad cumbersome and tend to yank out hair. Sony is proposing a system that removes the glue and sticks the sensors in your pillow. This is according to a patent application the company fil
