I recommend Apple Watches, but if money is an issue, or you just dislike Apple, Amazfit has some nice offerings like this band: https://www.amazon.com/Amazfit-

I recommend Apple Watches, but if money is an issue, or you just dislike Apple, Amazfit has some nice offerings like this band: https://www.amazon.com/Amazfit-Fitness-Monitoring-Tracking-Resistant/dp/B08DKYLK4D https://www.amazon.com/Amazfit-Fitness-Monitoring-Tracking-R... Some of the reports it produces are superior to Apple Health (it measures stress, a proprietary overall health score, and I prefer its sleep monitoring analysis). It’s $39. The 15-25 day battery life claim assumes you disabled most of the functionality. Insert privacy disclaimer here.