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Little things, but combined? Improvements, in warmth, or cool, as needed... wanted. A more supportive platform, yet an elevated one so air flow under, and over, is possible? And the feet don't lay wrongly on the floor. They can hang over, a bit, if needed at a moment, or be curled in and under, as required, desired.
Comfortable sleep, healthy sleep, the allowance for better sleep, is... a technology. Much like showers, if most don't (yet anyway) appreciate all that goes into a warm or hot shower. Or indoor plumbing, to be honest, sum total. How many such techs keep the world, as we know it, afloat? From automobiles to (or once) medical, to aviation (if that has been stolen by fascists, as with medical), to... even shoes and clothes (avoid "sun protected", though, that is a sterilizer... human sterilizer), so much tech. Though, so much of it has, at this point, been weaponized against who it was supposed to support. Refrigeration, to meat and other foods, at volume... if quality is largely, vastly, slipping (on purpose?). How many great empires were lost to food degradation, and the costs of that? Don't know, but South America is full of them. Europe? the Middle East? Everywhere, empires, nations, allies, and enemies, lost to their own designs.