Remove sap or pine pitch stuck to their fur with vegetable oil. It does seem to be a good place to sleep as well. Most reports will give them 2-3 feet max. Some will not climb, but stretch and get whatever they can from the ground. Avoid any breakable ornaments on the bottom 2-3 feet.
Smaller objects have a tendency to end up under the couch.
They don't finish candy canes, and you'll find them stuck to your carpet. For now, let's say we should avoid chocolate until we have a consensus about it. I guess there's so much to do with that tree that chewing is not fun enough. Using a ground fault plug may still be a good idea. Survey electrical cords daily, just in case.