Sleep comfortably with your body elevated to reduce acid reflux symptoms.
Sleeping with your body at an angle of 30-45 degrees can help reduce heartburn from acid reflux.

Lift your body up 30-45 degrees to reduce acid reflux.
Acid reflux is reduced when sleeping at an angle of 30-45 degrees.

Lumbar Support
Tighten the midsection to support the lower back.

Slope adjustment cable
Tighten the straps to make the pillow firmer and loosen them to make the pillow softer. Heavier people use tighter straps to keep the pillow in place, while smaller people use looser straps to keep the pillow from being too steep.
Who is the Gerd Pillow suitable for?
For those who experience acid reflux at night, use the Gerd Pillow to relieve symptoms. If you need to use it all night, use it in conjunction with a leg pillow.
Heart disease patients who are unable to lie flat
Use it to relax before going to bed, reading a book, or when you have to stay in a semi-sitting, semi-lying position for a long time. However, you should change your position frequently to prevent back pain.