It is well known and well documented that spiritual ecstasies (and the like) are present in Christianity (Paul caught up into heaven &c.). I am looking for theological works which expound on the opposite.
Is there a record (Biblical or extra Biblical) of the association of physical pain with prayer? Clearly Francis of Assisi and all who had the stigmata were afflicted because of/during prayer, but I was wondering if there was any other form which was well known