Yes

Praying and its scientific effects on pain reduction have been proven.

Stress reduction: By creating mental peace, prayer can reduce stress and mental tension that lead to pain.

Physical movements: Prayer movements such as bowing and prostration help improve blood circulation and reduce muscle and joint pain.

Increased endorphins: Spiritual practices such as prayer may increase levels of endorphins, the body's natural painkillers.

Source: The Book of Modern Sciences in Islam