It could be what’s in your bedroom.
Like horizontal blinds. They attract more dust than fabric shades.
And anything stored under the bed attracts dust bunnies. So, pull everything out and vacuum under there once a month.
Finally: You may wake up with allergies because your shoes are in your bedroom. Because the stuff tracked in on the soles of your shoes can be a major allergy trigger. So if you can, leave your shoes outside the bedroom door.