How we test We spent 90 nights on each mattress in the MattressNut Sleep Lab. Motion isolation scores come from a vibration meter placed 12 inches from...

We spent 90 nights on each mattress in the MattressNut Sleep Lab. Motion isolation is measured with a vibration meter at 12 inches from the disturbance...

We spent 90 nights on each mattress in the MattressNut Sleep Lab. Motion isolation scores come from a vibration meter placed 12 inches from a...

The Amerisleep AS3 is the better mattress for most people comparing these two beds. It edges out the Nectar Classic on pressure relief, uses a...

The Amerisleep AS3 is the better pick for most people in this matchup. It scores higher on pressure relief, matches the Helix Midnight's motion...

The Amerisleep AS3 is the better mattress for most sleepers comparing these two. It delivers sharper motion isolation, a plant-based Bio-Pur build with...

The Amerisleep AS3 is 12 inches tall and built entirely from foam. The Bio-Core base layer resists soft-spot formation over years of use. Above that,...

We spent 90 nights on each mattress in the MattressNut Sleep Lab. Motion isolation is measured with a vibration meter at 12 inches from the disturbance...

Written by Romain R, « The Nut ». Medically reviewed by Dr. Jordan Burns. Quick answer Amerisleep is our overall pick in the Amerisleep vs Avocado matchup. ...