It correctly yes, correctly! found me to be very calm. meanwhile, the apple watch is keen to tell me every time that i need to breathe when i may knowingly feel a little bit flustered. this time around, i ve come away from the experiment feeling a little bit different. instead of it being a question of are they accurate or not? , it s more a matter of which device would you rather wear? it s definitely easy to track your sleep in a ring, whereas if you want to see your data throughout the day, well, i personally like to be able to look at my wrist rather than my phone for it. the apple watch, well, it s a perfect player in the prism that is the apple ecosystem, so if you use apple, well, it fits very well with that. but i can t really knock the interface on the fitbit. but not all wearable trackers are where you think they d be. more later for those who want some more in depth analysis on their steps and their step. ....