St. Dymphna patron saint of nervous disorders

St. Dymphna patron saint against insanity. Her feast day is May 15. 

http://www.newadvent.org/cathen/05221b.htm

Here is a beautiful site referring to her. It shows the prayer accorded to her for intercession to God. 

The following is he prayer from the above mentioned website. 

Good Saint Dymphna, great wonder-worker in every affliction of mind and body, I humbly implore your powerful intercession with Jesus through Mary, the Health of the Sick, in my present need. (Mention it.) Saint Dymphna, martyr of purity, patroness of those who suffer with nervous and mental afflictions, beloved child of Jesus and Mary, pray to Them for me and obtain my request.

(Pray one Our Father, one Hail Mary and one Glory Be.)

Saint Dymphna, Virgin and Martyr, pray for us.