Random things I found when searching for more information about the bed:
The LA Times did an article in the bed back in 1989: https://www.latimes.com/archives/la-xpm-1989-10-01-tm-623-story.html
Somebody seems to have 3d model files of the bed: https://www.designconnected.com/category/Sleep-furniture/Maly-Bed_p1932
An Interview with Peter Maly: https://www.stylepark.com/en/news/pillow-talk-with-peter-maly