Sleep Disorders Center, Institute of Psychiatry an, Institute of Psychiatry and Neurology

Department of Clinical Neurophysiology

Wojciech Jernajczyk
Head of the Department
Sobieskiego 9, 02-957
+48 22 4582-713
+48 22 4582-817
Contact E-mail:
Research Domain
  • Clinical
  • Pharmacology Human
  • Sleep and Medical Disorders
  • Pharmacology of Sleep
  • Sleep and Ageing
  • Sleep and Psychiatry-Personality Disorders
  • Sleep Physiology-Neurophysiology in Human
  • Behavioural Sleep Disorders
  • Neurological Sleep Disorders

Laboratory description

Institute of Psychiatry and Neurology is one of the bigest psychiatric and neurological hospitals in Poland. It facilitates comprehensive diagnostic and treatment services of all sleep disorders. It is national reference center for narcolepsy and central hypersomnias and member of the European Narcolepsy Network and European Insomnia Network.

Additional Descriptors, Keywords

Areas of research interest:
sleep in patients with mental disorders
effects of antidepressants, antipsychotics and hypnotics on sleep EEG
alcohol and sleep
primary insomnia
restless legs syndrome
circadian sleep disorders
parasomnias and epilepsy

Key Publications of the Laboratory:
Sleep as a biomarker for depression. Wichniak A, Wierzbicka A, Jernajczyk W. Int Rev Psychiatry. 2013 Oct;25(5):632-45.

Sleep and Antidepressant Treatment. Wichniak A, Wierzbicka A, Jernajczyk W. Curr Pharm Des. 2012 Jun 6. [Epub ahead of print]
PMID: 22681161

Patients with insomnia and subthreshold depression show marked worsening of insomnia after discontinuation of sleep promoting medication. Wichniak A, Wierzbicka A, Jernajczyk W.
Prog Neuropsychopharmacol Biol Psychiatry. 2011;35(7):1671-6.

Actigraphic monitoring of activity and rest in schizophrenic patients treated with olanzapine or risperidone. Wichniak A, Skowerska A, Chojnacka-Wójtowicz J, Tafliński T, Wierzbicka A, Jernajczyk W, Jarema M. J Psychiatr Res. 2011;45(10):1381-6.

Sleep disorderd breathing and recurrence of cerebrovascular events, case-fatality, and functional outcome in patients with ischemic stroke or transient ischemic attack. Rola R, Jarosz H, Wierzbicka A, Wichniak A, Richter P, Ryglewicz D, Jernajczyk W. J Physiol Pharmacol. 2008;59 Suppl 6:615-21.


Title:  MD

Name:  Peter Geisler

Position:  Head of the Sleep Disorders Center

Institution:  Sleep Didorders Center, University of Regensburg

Title:  PhD MD

Name:  Elisabeth Friess

Position:  Head of RG Genetics of Human Sleep

Institution:  Max Planck Institute of Psychiatry

Title:  PhD MD

Name:  Axel Steiger

Position:  Head of RG Endocrinology of Sleep

Institution:  Max Planck Institute of Psychiatry

Title:  PhD MD

Name:  Paul Linkowski

Position:  Head of the Department

Institution:  University Hospital Erasme, Sleep Laboratory, Department of Psychiatry

Title:  PhD MD

Name:  Mehdi Tafti

Position:  Head of RG Genetics of sleep and the sleep EEG

Institution:  Center for Integrative Genomics, Université de Lausanne

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