What’s wrong with having a toothache so bad that you can’t sleep and the next day it doesn’t hurt anymore?

Toothache to the point of being unable to sleep the next day and then no pain may be night pain may be due to pulpitis, caries, trigeminal neuralgia and other diseases.
1. Pulpitis: This disease is mainly caused by the further development of caries, but also may be related to periodontitis, abnormal development of the tooth, tooth wear, dental trauma, dental occult fracture and other factors. Typical symptoms are spontaneous pain, night pain, etc., which can be manifested as toothache to the point of not being able to sleep the next day and then no pain.
2. Caries: It is related to caries-causing bacteria, such as Streptococcus mutans, Lactobacillus, etc., and secondly, it is related to factors such as eating too much sugary food, misalignment of teeth, and tooth irregularities, etc. Usually, there are no conscious symptoms in the early stage. Generally, there is no self-conscious symptom in the early stage, and in the middle stage, there will be the performance of sensitivity to cold, heat, sweet and acid, so the patient may have a toothache to the extent that he can’t sleep the next day and then no pain.
3. Trigeminal neuralgia: This disease may be related to nerve damage, heredity, abnormal immune function, excessive mental stress, etc. It may also be secondary to tumors, inflammation and other diseases in neighboring areas. The main manifestation is paroxysmal, transient pain in the distribution area of the trigeminal nerve, so the patient will have a toothache that prevents him from sleeping and then stops the next day.
It is recommended that patients with frequent toothache that prevents them from sleeping and then stops the next day should go to the hospital for a complete examination to clarify the specific cause.