why are participants wearing a watch and how does it work?

THE BBB 22 is different from previous editions. If you are following the reality show, must have noticed that all participants are wearing watches — and not just any watch. It is a smartwatch, a type of smart device that has become very popular and is capable of monitoring the wearer's sleep, heart rate and other vital signs. The news made many people curious about the function of the clock in the program. Why are BBB 22 participants wearing a watch? Until then, any electronic accessory was prohibited inside the most guarded house in Brazil. Since the most recent editions, the only device allowed is a cell phone that does not have an internet connection and can only be used to take photos of participants for social networks. About the watch, curiosity was such that Boninho (nickna...