While of course there are exceptions, after ten minutes or so if the odor is at a fairly constant level, you won't smell it.
If you're going to be up all night anyway, Google "olfactory fatigue" if you want more info. Basically your nose detects rapid changes better than constant odor or one with slow level changes.
This is one reason we use smoke, propane and CO detectors because those build slowly and our noses constantly readjust to the current level. You tune it out and being aware of that does not change the fatigue readjust. You have no control over it.
Workers that are constantly around chlorine don't smell it, even at hazardous levels.
And there is your silly trivia report for tonight. :-)
Stay safe!
Rick wa6nhc
Tiny iPhone 5 keypad, typos are inevitable
Possibly. I was smelling smoke here in Northridge about 15 minutes ago. Went away now.
Jason
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