Some nights when i am about to fall asleep i fell like my heart skips a beat and i have to open my eyes and catch my breath a little. it started one time a took this medicine and it made my heart act weird. so now when i am about to fall asleep when i over think about it my heart fells like it is skipping a beat. do you think this is anxiety i have had alot of anxiety problems in the past please tell me if you think its related to it