Topical minoxidil and heart concern

Hi. I’m 35 years old, male. Who’s been using topical minoxidil foam for maybe about 8months now… I just woke up with my heart beating fast, it’s about 2am… it’s been happening for the past maybe two months now… i suddenly remember reading about minoxidil and the heart… I read a thread on this site aboit someone with a similar story… I made an account on here just now hoping anyone can help me… im worried that my heart beating fast at times is due to this product. I’m using minoxidil foam by HIMS… does the oral form of minoxidil have these side affects as well? It sucks because I have notice a huge diffence in hair density using this product for more than 8 months now… my hair is almost back to how it was when I was in my early 20s… I know if I stop using it I will loose all my progress and go back to how I was, thin hair in the front air … I’m thinking if I get on oral finastride, I can stop the topical minoxidil since I’ve gained almost all of my hair back? I’ve gained enough hair density where I am satisfied (like how I had it when I was younger), can I stop the topical minoxidil and just get in finastride (since finestride medication retains your hair). Note - I was laying down when these heart rapid polpusations started happening… they go on for about maybe 15 seconds… does it only happen when you’re laying down? What if I applied the topical minoxidil during the day when I’m not laying down? Will I still get these rapid heart beats? I’m so concerned. Thank you so much in advance for anyone who’s reading this and can chime in for any help.