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Sonar mattress

Mattress that sonically locates the spine, makes 3d computer model, and adjusts coils; possible gradual realignment possible (compare braces)
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A sonar transducer in the mattress maps the spine and all the bones, making a 3d computer model. Then the mattress coils are adjusted to minimize pressure or possibly gradually reshape the body. My sleep is fine, but it would be great if this could give me good posture while I sleep.
beanangel, May 08 2018

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       I've always* wondered if farting in your sleep on the ISS would cause you to jet into the ceiling and wake yourself up.   

       (*this is clearly a lie; the thought would not have arisen in, say, 1966)
MaxwellBuchanan, May 08 2018
  

       Presumably you were otherwise preoccupied in (at) that year ...
8th of 7, May 08 2018
  

       Also, "always" implies spending many years being in a continuous state of musing about the propellant properties of zero-G flatulence. Doing this while, for example, deciding what to have for lunch, holding down a reasonably steady job, pretending to be at least an approximation of a normal person, remembering PIN numbers, shaking your fist at people who say "PIN numbers" instead of "PINs", and so on, must be quite difficult.
hippo, May 09 2018
  

       Multitasking, [hippo], multitasking. Although, looking back, I sometimes wonder if I could instead have better spent that time thinking about a cure for cancer.
MaxwellBuchanan, May 09 2018
  

       Are you still thinking about farting on the ISS?
hippo, May 09 2018
  

       Who doesn't?
MaxwellBuchanan, May 09 2018
  

       I would never waste precious time thinking about farting on the ISS.   

       But if I did, then I might think that the fabric of your space pyjamas would tend to disperse the reaction mass, which would, in any case, be too small to apply a waking-you-up acceleration to your dormant carcass.   

       That's what I might have thought, had it not been that I would not think about it.
pertinax, May 09 2018
  

       //pyjamas// - you're making a big assumption there
hippo, May 09 2018
  

       Isn't good posture due to muscle fitness? I tend to relax to sleep. A good dream initiator/sequencer might give the sleep fitness wanted.
wjt, May 10 2018
  

       This is one reason why the beds on the ISS have strap features built-in to prevent you from floating off.
RayfordSteele, May 10 2018
  
      
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