They used either medium firm or firm mattresses for 90 days.
Lower back pain bed mattress.
If your back pain is there when you first wake up but you can stretch to get rid of it within 15 30 minutes then that is a major sign that your mattress is doing more harm than good.
Relieve back pain and improve sleep with these top rated mattresses for a bad back based on testing and user reviews including casper purple saatva puffy and nectar.