Hi Cheryl
I wouldn't put the soil back in so soon. I REALLY think you have a mite infestation and unfortunately it's not going to go away with one thorough cleaning!
You should, however, give your snake some type of hide box which can be discarded every day or every other day: depending on the size of your snake, anything from a cardboard cereal box to a shoe box would be fine. In the meantime, I wouldn't have much else in the cage except paper towel as a substrate and a waterbowl. Everything else should be taken out and treated or thrown away and replaced... but don't put anything back until you've gotten rid of the mites! An adult can live 32 days without a blood meal, so you shouldn't relax too soon. It just takes one pregnant female hiding in your carpet or somewhere else to re-infest your snake again!
You can take a piece of moist paper towel (gauze would be better if you have it) and wipe it along the snake, then look for mites. Also wipe the top corners of the lid and sides of the terrarium and check for beige, white or black dots... those would be the eggs, larvae or the protonymph or deutonymph stages, and the black ones or dark red would be the adults.
It's not easy to get rid of these beasties, but you must take the problem VERY seriously. Mites are VERY dangerous to your snake! They can pass bacteria and viruses to your snake or cause severe, life-threatening anemia in a large infestation.
There are a lot of mite treatments available: popular ones include Reptile Relief and Provent-A-Mite. Be aware, however, that there is no treatment that is both 100% effective against mites and 100% safe for your snake. Always read the directions carefully and follow them to the letter!
In the link I put in my first post, I clearly outlined how I've successfully and safely gotten rid of mites in my collection of 4 snakes. (It may not be practical for someone with 20+ snakes, but it is safe and it works.)
Check out this link for more info on mites:
http://www.anapsid.org/mites.html