It is important to note that ferrets cannot be given woodchips as a bedding material. Aside from ferrets not being rodents, the oils that these chips contain may cause respiratory illnesses or worse in ferrets. Instead, they should be given soft fabric or newspaper clippings for a bedding material. Many products are available which are made from recycled newspaper, such as Marshall Ferret Litter, however they are generally used for litter as their name implies. Bedding material should generally occupy most of or the entire wire grating that your ferret will be traveling on inside their cage.
It is suggested that you provide your ferret with a hammock and/or sleep sack for the times they will be sleeping. While there are many wonderful hammocks or sleep sacks available, don't be afraid to trying making them yourself if you are so inclined. It is fairly simple to construct these items. All you need are a few basic sewing supplies, some small metal clips for hanging, and your imagination. A hammock is a specially made "bed” for ferrets. Hammocks have four metal clips on each corner which attach to the side of your ferre