So do I jacqui, but only once a year, and on a warm day I then put them on the line to blow, which fluffs up the down beautifully. I feel that carbon tetrachloride used in dry cleaning tends to strip the down of oils and makes it 'dead'. Also, these chemicals are not good for health. To store a duvet we roll ours up quite firmly until most of the air is out and squash it into a large pillowcase. That way it behaves itself on the top shelf of the wardrobe. Here in the UK people now use a thin duvet as a mattress cover as well, so you're snug between two of them!