Can u dislocated ur shoulder while sleeping if u have already suffered it being dislocated once before.

Yes : When you have unstable joint due to many dislocations or injuries.

Yes: Each episode of dislocation or subluxation can injure and stretch the shoulder stabilizers further. Also, patients that are more flexible naturally can injure their shoulders more easily and are at risk for developing an unstable shoulder with a smaller amount of injury. Learn more here: http://theshouldercenter.Com/unstable-shoulder.Htm.