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A pillow that you have to reinflate 6 times through the night is more annoying than no pillow
Not quite true. Like the airbeds of old, if it helps you fall asleep and you stay asleep it doesn't matter. We'd always wake up with completely flat airbeds when camping, it's just what they did. I never reinflated one during the night so guess I never noticed them go flat.
hippy-
I never noticed them go flat.
Like the mighty blue whale, you've got metres of blubber cushioning and insulating you from the ground. A personal waterbed wherever you lay
Jokes aside I get what you mean, and it's like a 10 second job to reinflate a drybag. I might try it next time I feel like sleeping on the floor (not as rare as one might hope)
frankenbike
Yeah, they're water-tight, but if I fill mine up with air they're usually well-sealed enough to puff up with air. I've never tried putting the weight of my head on one though and I feel like at higher pressures (due to more weight resting on it) it won't stay air tight. A pillow that you have to reinflate 6 times through the night is more annoying than no pillow. Also it needs to be pretty sturdy to not pop, which would leave you pillow-less and with no dry bag for your clothes or whatever
The advantage of a dry-bag would be that it's dual purpose so doesn't waste weight/pack space, and you wouldn't have to blow it up with lung power, which I guess isn't that big a deal for a tiny pillow that's only about one lungful in volume anyway
I tried it just now with a Lomo bag I've got, it doesn't immediately deflate but who knows how long it'd retain air. I'd have to sleep on the floor to find out I suppose.
PS. general thread comment, big mistake that people often make with air pillows is over-inflating them I think, they're much more comfy when they're what I would describe as "half" full. Same for sleeping pads.