Sleep-related painful erection (SRPE), erectile dysfunction and psychological distress - Report - MDSpire

Sleep-related painful erection (SRPE), erectile dysfunction and psychological distress

  • By

  • Fiala, Ludek

  • Lenz, Jiří

  • March 4, 2026

  • 0 min

Share

Nocturnal Painful Erections, Erectile Dysfunction, and Psychological Distress

Overview

This study explores the relationship between sleep-related painful erections (SRPE), erectile dysfunction, and psychological distress. Men with SRPE exhibited lower erectile function and higher psychological distress compared to controls, with prolactin levels correlating with these clinical features within the SRPE group.

Background

Sleep-related painful erections (SRPE) are a rare parasomnia characterized by recurrent nocturnal penile pain during REM sleep, while erections during wakefulness remain painless. SRPE can cause sleep disturbances, sexual avoidance, and psychological distress. The underlying pathophysiology is unclear but may involve psychoneuroendocrine mechanisms. Understanding these associations is important for comprehensive clinical management.

Data Highlights

ParameterSRPE GroupControl GroupSignificance
Erectile Function (IIEF-5)Significantly lowerHigherp < 0.05
Psychological Distress (TSC-40)GreaterLowerp < 0.05
Prolactin LevelsHigher (not significant)Lowerp = 0.089

Key Findings

  • Men with SRPE showed significantly reduced erectile function compared to men with psychogenic erectile dysfunction without SRPE.
  • Psychological distress was significantly greater in the SRPE group.
  • Mean prolactin levels were higher in the SRPE group, though not reaching statistical significance at the group level.
  • Within the SRPE group, higher prolactin levels correlated negatively with erectile function and positively with psychological distress.
  • No such correlations between prolactin and clinical measures were observed in the control group.

Clinical Implications

Clinicians should consider a multidimensional approach when evaluating men with SRPE, integrating sleep-related symptoms, psychological distress, and neuroendocrine factors such as prolactin. Addressing these interconnected domains may improve management of secondary erectile dysfunction in this population.

Conclusion

SRPE is associated with a distinct psychoneuroendocrine profile linking psychological distress and prolactin dynamics to erectile dysfunction. These findings highlight the need for further longitudinal research to better understand and treat this complex condition.

References

  1. Original Study 2024 -- Nocturnal Painful Erections, Erectile Dysfunction, and Associated Psychological Distress

Original Source(s)

Related Content