The maintenance of wool mattress is exactly the same as any other:
To extend the life of your mattress is advisable to go around giving, from left to right and from head to toe, total, 4 times a year. We recommend doing it in the change of season, to remember it more easily.
As with any mattress, per hygiene, then take off the sheets must be opened to let "breathe" the mattress and ventilate the room a few minutes to renew the air and humidity produced at night. with 5 minutes is enough.