Don't feel that you have to stick to the materials on this list. I just finished testing the Naturalmat Organic Hemp Bed Linen Collection, and I can't stop talking about this miracle material. Hemp combines all the best bits of linen, in terms of breathability and durability, and it's that little bit softer to suit sensitive sleepers. If you're looking for something more luxurious, the Shleep Luxury Merino Wool bedding set could be right up your street. 

Fitted sheets have an elastic to wrap around the mattress and prevent it from moving too much while you sleep. While these sheets protect your mattress from body oils, spills, and other things, using a mattress protector underneath your fitted sheet is a good idea for extra protection. Flat sheets lay on top of fitted sheets to protect your duvet or comforter from body oils and tearing. Not everyone uses these, but we recommend doing so.