Oriental chain ant

Nighttime seizures with bleeding from the mouth, but not biting tounge? - nighttime seizures

My friend has something similar attacks in the night. Your mucsles press so hard that your body begins to tremble and shake She's bleeding begins with the mouth, but she does not bite his tongue. I did some research but can not find anything ... all sites said biting his tongue and is not ..... I have no idea where the blood comes ... If anyone has any ideas that I like to see here .. please