I actually called SIDS & Kids to discuss what bedding is recommended for bubs in a craddle & cot - they were very helpful.

At first we had DD swaddled and had a fitted sheet, flat sheet and blankets. Then we moved DD (at about 3 months) into sleeping bags and eventually added a thin doona and pillow (both of these ARE not recommended), however DD slept better with the weight of the doona and liked a pillow.