1. Mattress construction: The most popular mattress types are inner spring mattresses, memory foam
  2. mattresses, and adjustable air mattresses. Each has pros and cons when it comes to durability and
  3. comfort customization.
  4.  
  5. Firmness: Mattress firmness plays a huge role in the quality of your sleep. Mattresses that are too
  6. firm or too soft can cause aches and pains, so it‘s recommended that you test a mattress for
  7. 10- to 15 minutes in store before making a purchase.
  8.  
  9. Sleeping position: Your mattress should match your sleeping style (side, back, face-down, etc.).
  10. You want a mattress that keeps your spine in proper alignment. For example, some mattresses are
  11. better for side sleepers, while others are better for back sleepers.
  12.  
  13. Size: It’s not quite as simple as choosing between a king and a queen mattress. You should also
  14. consider your height, as some mattresses are a better fit for shorter people while tall people will
  15. want a longer mattress so their limbs aren’t hanging over the edge of the bed.
  16.  
  17. Stability: For couples, you should consider how the mattress reacts when one person moves, so
  18. the other person’s sleep isn’t disturbed in the middle of the night.