To finding an ideal cover to use overnight you may need to find out, will you want to have thick or thin cover, which material it has made from, and how much does it cost.
Here is an excellent choice for a bed cover to use in your bed:
Duvet cover set with pillow shams (NYC Architecture Print)
You can also find other prints from the same seller.
If you are looking for hotel quality covers, you should definitely check out this option: