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regaphysics t1_izbmtnp wrote

Reply to comment by javaavril in BIFL Request: Side sleeper pillows that will last at least 5 years by [deleted]

Yes, not a good pillow material as defined by objective criteria. As I said, if you don’t want to use objective criteria then sure, sleep on garbanzo beans because anyone’s opinion goes.

And no, down doesn’t excel at thermoregulation. It traps heat, limits convection, and doesn’t absorb much moisture - which is how most natural materials regulate - in addition to losing its ability to loft when it absorbs moisture. Again, that’s precisely why down is used as an insulator in jackets (and geese). It’s whole purpose is to trap heat.

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javaavril t1_izbo6qw wrote

That's your opinion. Down is soft, supportive, and breathable. Great qualities for pillows. You're strawmanning again with the chickpeas.

It does, it wicks moisture through filaments and is highly breathable. It regulates the body temperature of geese, it's job is thermoregulation.

Edit: in case anyone gets this far, I highly doubt it, but I had to block that guy because he's made of nonsense.

Geese molt down several times a year, but they always have down, they molt their flight feathers in summer and can't fly for a few months. Down is there for thermoregulation.

"Geese are warm blooded and their temperature must be regulated within a certain limit. This is only possible when enough wind reaches their skin to take away the heat. The down protects the birds from the cold during the winters and keeps the bird well aerated, so that its body temperature is also optimally regulated during the summers."

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