3. You’re under a lot of emotional stress.
Emotional stress might be a trigger for Raynaud’s phenomenon, which causes blood vessels in our extremities to narrow drastically for a brief period of your time . This leads to coldness and numbness during a particular area, just like the nose, and will last anywhere from a couple of minutes to hours. Raynaud’s phenomenon is more common in women and among those that sleep in cold climates.
