Hi , this condition is called bruxism , and can lead to attrition of teeth and pain , there are multiple causes ranging from stress anxiety to stomach ailments , your dentist might suggest u a night guard that u need to wear in the night . Long term treatment involves finding the right cause I.e. Meditation to relieve stress and anxiety or taking care of ur stomach problem if anything like that persists
Next Steps
Visit your dentist asap
Health Tips
Try to stay happy and find a cause for this problem