Why do I have sharp pain on the tip of my tongue?

First off, get this checked by a dentist. It is impossible to diagnose anything online with conviction. The following could be what you are suffering, but may not be. Transient lingual papillitis. Ever notice how rough your tongue is? read more

I am a 45 year old female and have been having the same problem - sharp pains in my tongue only when or dozing off. Happens if I nap on the couch or falling asleep in bed, day or night, never ever while awake. read more

You bit it; You grind your teeth at night and tongue gets involved; Something you ate doesn't like you; Vitamin deficiency; Some other medical condition that should be checked out by a dentist. It is difficult to truly diagnose on Quora. Random guesses (some educated) are about the best we can do. read more

Best to be seen. By a dentist. The tongue can have fissures in it. Best to be checked out. Hope this helps. read more