Recently, on occasion, I have awoke at night feeling a little off . I wear a Fitbit tracker that includes heart monitoring and when this happens, my heart rate has been in the upper 80 s, 90 s, and low 100 s. I know my usual resting heart rate is in the 60 s. Why would my heart rate be that high when I m completely at rest? Do I need to be concerned?
Heart rate usually falls in sleep from daytime .but it rises occasionally in some specific sleep stages .or it could rise in some horrible Chat Doctor. .and if there is problem of heavy snoring there is possibility of obstructive sleep Anne...