Batteries and Battery chargers; Devices and instruments to be placed on the human body and other devices and instruments for measuring and analyzing the body's autonomic nervous system, physical parameters and other physiological data, bio-signals and bodily behavior, and for displaying, storing, sending, transmitting and receiving instructions and data relating to any of the above, for purposes other than medical and therapeutic purposes; Cases, structural components, replacement parts and fittings specially adapted for the aforesaid goods; downloadable computer databases featuring data from the measurement and analysis of the body's autonomic nervous system,physical parameters and other physiological data, bio-signals and bodily behavior, recovery from physical and emotional stress, and human alertness level and performance and for displaying, storing, sending, transmitting and receiving of instructions and data relating to any of the above; Devices and instruments to be placed onthe human body and other devices and instruments for measuring and analyzing recovery from physical and emotional stress, human alertness level and performance, and for displaying, storing, sending, transmitting and receiving instructions and data relating to any of the above, for purposes other than medical and therapeutic purposes; Downloadable computer programs for measurement and analysis of the body's autonomic nervous system, physical parameters and other physiological data, bio-signals and bodily behavior, recovery from physical and emotional stress, and human alertness level and performance, and for displaying, storing, sending, transmitting and receiving of instructions and data relating to any of the above; Smartwatches and electronic devices in the nature of wristbands, earbuds and rings that transmit data to smart phones or other computers or devices