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Related Experiment Video

Updated: Feb 11, 2026

Author Spotlight: Self-Assessment Protocol for Predicting Psoriatic Arthritis in Psoriasis Patients
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Sleep disturbance in psoriasis: a case-controlled study.

P Jensen1, C Zachariae1, L Skov1

  • 1Department of Dermatology and Allergy, Herlev and Gentofte Hospital, University of Copenhagen, Kildegårdsvej 28, DK-2900, Hellerup, Denmark.

The British Journal of Dermatology
|April 29, 2018
PubMed
Summary
This summary is machine-generated.

Patients with psoriasis experience significantly more sleep disturbances than the general population. Itch is the primary predictor of poor sleep, suggesting that managing psoriasis symptoms could improve sleep quality.

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Area of Science:

  • Dermatology
  • Sleep Medicine
  • Psychiatry

Background:

  • Sleep disturbances are common in patients with psoriasis due to physical symptoms.
  • Previous studies on sleep in psoriasis have yielded mixed results and methodological limitations.

Purpose of the Study:

  • To determine the prevalence of sleep disturbance in plaque psoriasis patients compared to controls.
  • To assess the relationship between sleep disturbance, health-related quality of life (HRQoL), and psoriasis.
  • To identify disease-related predictors of disturbed sleep in psoriasis patients.

Main Methods:

  • Cross-sectional, case-controlled study design.
  • 179 patients with plaque psoriasis and 105 controls were recruited.
  • Evaluated psoriasis severity, HRQoL, insomnia severity, sleep quality, stress, itch, and depressive symptoms.

Main Results:

  • 25% of psoriasis patients reported clinical insomnia versus 10.5% of controls.
  • 53.6% of psoriasis patients were poor sleepers compared to 21.9% of controls.
  • Itch severity was significantly associated with all measured sleep outcomes.

Conclusions:

  • Patients with psoriasis exhibit a higher prevalence of poor sleep compared to the general population.
  • Itch is a key predictor of sleep impairment in psoriasis.
  • Effective management of psoriasis and associated itch may alleviate sleep disturbances.