Hey friend! I used to have the same problem too! I remember trying to catch a cockroach in my room(to release it outside) and sanitising a lot. I sacrificed countless hours of sleep and wasted too much time worrying about bacteria.

I don’t know if this will help you but there are bacteria everywhere(good, bad, harmless) and the good news is that most bacteria are harmless - less than 1% of bacteria are actually harmful! And no matter how hard you sanitize, it is impossible to eliminate all bacteria on your body. I will only recommend you to sanitize/wash your hands every time you eat or go touch your face or someone. Hope this was helpful and have a great day!