I keep this right next to my 400 dollar bed. To be honest, I rather sleep on the paddle because its flexible and responds to my movements.
In comparison, the Butterfly Jun Mizutani Super ZLC blade released in July 2014, is slightly thicker at 5.8mm, and typically slightly heavier at 90 grams. (Indications are Zhang Yike super ZLC runs 88 grams).
- izzy listed, CA