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Shift Work Sleep Disorder and Night Shift Work Significantly Impair Erectile Function.

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Shift Work Sleep Disorder (SWSD) is linked to erectile dysfunction (ED) in men, especially those on night shifts. Testosterone therapy may help, but shift work remains a risk factor for ED.

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Area of Science:

  • Andrology
  • Sleep Medicine
  • Men's Health

Background:

  • Shift work sleep disorder (SWSD) affects numerous individuals globally.
  • Erectile dysfunction (ED) is a common condition with multifactorial causes.
  • The relationship between SWSD and ED requires further investigation.

Purpose of the Study:

  • To examine the association between shift work sleep disorder (SWSD) and erectile dysfunction (ED) in shift workers.
  • To determine the impact of night shift work on erectile function.
  • To assess the potential role of testosterone therapy in mitigating SWSD-related ED.

Main Methods:

  • A cohort of 754 men completed validated questionnaires including the International Index of Erectile Function (IIEF) and a SWSD screening tool.
  • Data on shift work schedules, comorbidities, and medication use (PDE5 inhibitors, testosterone) were collected.
  • Linear regression analysis was performed to assess the effect of SWSD on ED, controlling for relevant covariates.

Main Results:

  • Men with SWSD showed significantly lower erectile function scores (IIEF-EF) compared to those without SWSD.
  • Night shift workers experienced even poorer erectile function (IIEF-EF scores 7.6 points lower).
  • Testosterone therapy improved IIEF-EF scores in men with SWSD by 2.9 points.

Conclusions:

  • Shift Work Sleep Disorder is associated with worse erectile function, particularly in night shift workers.
  • Circadian rhythm disruption from shift work may significantly impact erectile function.
  • Shift work should be considered a potential risk factor for ED, and testosterone therapy may offer partial amelioration.