Monitoring sleep patterns usually involves a hydra of sensors that keep track of brain activity, muscle movements and heart rates, but a startup called Nyx Devices has developed a new night shirt that can evaluate the quality of a user's slumber by analyzing only breathing patterns. The form-fitting Somnus Sleep Shirt is embedded with two sensors that keep track of a person's overnight breathing and transmit this information to a small data recorder, which slides into the lower corner of the nightie. When a user wakes up, he or she can upload their stats to Nyx's website, where they can generate more detailed analytics and log their caffeine and alcohol intake to find out h
