5 Key Takeaways

• 1

  The study enrolled 664 adult patients with elbow disorders to assess the relationship between nocturnal pain and sleep quality.

• 2

  Eighty-one percent of patients reported nocturnal pain, with a mean Pittsburgh Sleep Quality Index score of 7, indicating poor sleep quality.

• 3

  Poor sleep quality was associated with greater upper extremity disability and higher pain intensity, regardless of specific elbow diagnoses.

• 4

  Subgroup analyses revealed that up to 70% of patients across major diagnostic categories had PSQI scores indicating poor sleep quality.

• 5

  The study acknowledged limitations, including reliance on self-reported sleep quality and exclusion of patients with known mood or sleep disorders.