Allergy Mattress Cover Do You Think A Second Mattress Cover Would Help?

Do you think a second mattress cover would help? - allergy mattress cover

I have the greatest service of allergies to dust mites, and that my doctor has ever seen. I have plugged a mattress on my bed and my nose has decreased by 40% WHN I wake up. I sleep on the floor a bunk bed. The bed above me is supported by 6 wooden boards noblest sense of the dust mite mattress can fall on me. You think I should get a hypoallergenic second platform and placed face down on the mattress?