Your core body temperature fluctuates during the day naturally and is impacted by activities such as sport.
Monitoring your temperature continuously can provide insights into your health status. For instance, you can track disease progression, ovulation, the circadian rhythm and even see the impact of jet lag.
Core body temperature is a vital sign so provides an indication for people working or doing sports when they are 'effective', when their performance will degrade and when they are are at risk of heat-stress.
Monitoring continuous provides immediate information as well as the 'big picture' to observe trends or discrepancies.