Dicharge changes from time to time due to hormones. Hers is the 411 on discharge, Itching is the hallmark sign of a yeast infection. Discharge can vary. Just thick is probably not a yeast issue if you have no itching. Odor is a hallmark sign of a bacterial infection especially a foul odor. Discharge with bacterial infections are usually thin and watery. Most other discharge is normal.
Sounds like that was a rough night on your poor vagina. You probably have some abrasions and a little swelling. Give it a day to see if it gets better and let us know!
If you have white discharge that has an odor, it could be a yeast infection. I'd head to your doctor to get an accurate diagnosis and take care of the issue.