BEDS AND BEDDING Keep only one bed in the bedroom.Most importantly, encase box springs and mattress in a zippered dust-proof or allergen-proof cover.Scrub bed springs outside the room.

• 如果你是对灰尘过敏；特别是你有过敏症和/或哮喘；你能通过建立一个无"灰尘"的卧室减轻你的痛苦.；灰尘可能含有霉菌；螨；纤维末以及来自狗；猫和其它动物身上的皮屑