There's a difference between not dreaming and not remembering your dreams. Everybody dream every night.
This is just speculation, but perhaps you sleep better on your side, so that you don't remember your dreams as easily? E.g. if you wake up several times a night, you will remember more dreams than if you don't wake up during the night.
This is just speculation, but perhaps you sleep better on your side, so that you don't remember your dreams as easily? E.g. if you wake up several times a night, you will remember more dreams than if you don't wake up during the night.