The Ready State Virtual Mobility Coach is like having a virtual Kelly Starrett in your pocket.
Have not experienced that before.
Do you only have the pain when laying down?
What are you laying on? Floor, couch?
Does the pain go away when you get up from the position?
Determining the cause of the pain is key. Once the cause is addressed it should go away. Could be a combination of a couple things.
May be time for a new mattress.
Stiff lower back?
Tight muscles around the hip and lower back can cause excess strain on the hip when laying down.
Have you searched the hip episodes and/or Daily MIWod?