When in bed, I prefer to sleep on the stomach. But I have had great results sleeping on my back in a hammock. Just one data point; however (also anecdotally) I

When in bed, I prefer to sleep on the stomach. But I have had great results sleeping on my back in a hammock. Just one data point; however (also anecdotally) I have had several friends sleeping in my hammock and reportedly enjoying it, whatever the normal preferred sleeping position.