Tortoises do need a bath every now and then. A lukewarm bath will help clean a tortoise from dust and dirt, reduce bacterias from shell and skin, helps with hydration, and help with passing waste. Frankly, it just feels nice too.
Tortoises shouldn’t roam around the house. They could get injured, lost, too cold or too hot, fall or get stuck and be attacked. A tortoise roaming around the house might also spread disease. Even when supervised around your home, you will often have to handle the tortoise (pick her up) to put her back safely within a supervised area. This can be stressful to your tort.
If a tortoise vomits, you must try to find a cause of the vomit and remove it. Vomiting is not common in tortoises and can be serious. If this behavior persists after changes to diet and living conditions, take your tortoise to a veterinarian. It might help to collect some vomit in a small container in case the vet decides to test it.