How is this different from the time clock systems that are used in many blue - collar, retail, and service - industry workplaces? (slaw.ca)
As these biological clock systems not only control sleep, but also influence functions such as blood pressure and metabolic rate, they could give us greater insight into many medical conditions. (sciencedaily.com)
See here for the top hospital clock system currently in stock on the market and reasonably priced. (lizmarieblog.com)