Medical apparatus for detecting physiological conditions in a sleeping person indicative of the person's sleep cycle; medical apparatus, namely, sensors and measuring devices used to measure, collect, and track health information, namely, sleep patterns, sleep quality, and movement activity during sleep; medical apparatus, namely, sensors and measuring devices used to measure, collect, and track environmental variables related to sleep and levels of unconsciousness; medical instruments featuring embedded software for supply and analysis of information on sleep patterns and general well-being, namely, sleep quality, movement activity, and environmental variables during sleep; medical diagnostic devices utilizing information about the measured sleep phase featuring clocks, alarms, wake-up vibrations, sensors, and software, all sold as a unit; medical devices, namely, pillows and pillow inserts with embedded sensors for tracking sleep patterns, health information, and environmental variables during sleep, all for medical and healthcare purposes