I will be getting a new mattress soon
Soft - "It's like sleeping on a marshmallow!"
Medium
Medium/Firm - "Pretty much the Goldilocks bed, only without the bears"
Firm
Firm - "Now I can enjoy the firmness of the floor, without sleeping on it!"
I hang from the ceiling like a bat
I will be getting a new mattress soon
I guess I'd say between 3-4 however growing up always out in a tent hunting and fishing I can sleep on rocks, or anywhere. As a kid if it was spring summer or fall I was in a tent.