The dust mite is choosy and prefers wool and cotton to artificial fibres. So you can deter it by using only synthetic bedding materials, and by washing all sheets every week. The dust mite's favourite haunt is bedding, particularly mattresses. Measures to reduce the numbers of house dust mite. Special mite resistant covers for pillow, mattress and duvets can be purchased.
Sunlight destroys the dust mite.
In the summer, put your blankets and mattresses out in the sun and make the most of the sunshine to dry out your sheets and pillowcases. Put soft toys in the freezer for a few hours. Use a vacuum cleaner Daily use of a vacuum cleaner will help to reduce the amount of dust containing the mite. Vacuum all carpets, especially in the bedrooms and under the beds. If you can, choose vinyl flooring rather than carpet as it tends to hoard less dust.