Hi. I Am Having A Hard Time Getting 8 Hours

Hi. I am having a hard time getting 8 hours of sleep. I maybe get 2 hours at a time totaling 4-5 hours per night. I take many drugs here is a list of the ones I take in the PM. Can you please tell me if any of them interact with each other and if any of them might be keeping me up at night. Thank you Eric.
Warfarin 8-9 mg
Atorvastatin 20 mg
Quinapril 40 mg
Bystolic 5 mg
Clopidogrel 75 mg