Between 930-11pm my blood pressure spikes into 150-170 over 90-110 range. This has happened every night for two weeks. I’ve tried taking my bp medication which I take every night before, during, and after to see if there was any pattern but it remained staying the same. The only thing I can think of to match that two week time line is the decrease from 40mg to 30mg of lisinopril. I ran out of 40mg and waited for a refill and didn’t pick it up yet. I don’t think 10mg is that big of a difference for it to be happening at night like that. My morning and daytime readings are usually 125/70 in good range sometime 5 in each level. I’m curious if the batch I had sitting around of 30mg is just a bad batch and I looked for recalls and found nothing. Very concerned to see numbers in the 170-110 range just from a decrease of 10. It only lasts a few hours but not sure why this is happening.