This Idea is sort-of a combination of a single bed with a double-bed. It is known that the former is good for individuals, and in fact so is the latter. But what if they were combined?
If two people mostly want to sleep separately, a trapezoidal mattress should do the job. Only their feet would be intertwined, and that is socially quite acceptable. Of course, if the two people want to sleep together, this mattress would allow that, too.-- Vernon, May 06 2019 Isosceles_20Trapezoidal_20Bed [FlyingToaster, May 06 2019] //feet would be intertwined, and that is socially quite acceptable// To whom?-- MaxwellBuchanan, May 06 2019 Would not a circular mattress accommodate most options with the greatest efficiency ?-- 8th of 7, May 06 2019 Where is the "trap" in the trapezoidal mattress ? Are we talking lots of headroom, limited legroom ?-- FlyingToaster, May 06 2019 random, halfbakery