does anyone get or have info about bradycardia at night/while sleeping? i have woke up a few times, feeling like poo...nausea,sweating,pain,full feeling inthroat, like passing ....and found my heart rate to be 42 and lower. a couple times a week i wake because of nausea and i'm beginning to wonder if i drop my rate at night. anyone with experience with this? i do not have any type of implant.