Hi . Welcome to the community! Although many people with narcolepsy report joint pain, there doesn't appear to be an "official" correlation. That just means that researchers don't understand the connection yet. Very often, the emergence of one autoimmune disease opens the door for others. So, it is possible your joint pain is caused by another health condition, such as rheumatoid arthritis. Have you ever seen a rheumatologist? It might be a good idea. Best wishes. - Lori (Team Member)