I use these risers under the head of the bed and they work great, I like them much better than a wedge, I have had trouble with GERD , hiatal hernia, recurring peptic ulcers, then organoaxial volvulus stomach, and now bleeding esophagus, It has been frustrating trying to find a doctor that wants to try and find out why. .they mainly just want to take a few symptoms, and prescribe medication, Things have Ben worse since I had covid in 3/2020. Covid can reactivated latent viruses, I have recently found many articles leading to a cause of reactivated varicella virus which can be treated so it is important to look into, I have also read articles indicating that melatonin can work as well as omemprazole woth ought the serious side effects, You can find a great article about melatonin functions and safe products on Consumerlab.com and many NIH articles.