Sleep Study Unit, University of Athens, Medical School

1st Department of Psychiatry

Contact:
Dimitris George Dikeos
Position:
Associate Professor
Address:
Vas Sofias Ave 72, 115 28
City:
Athens
Country:
Greece
Phone:
0030 210 7289324
Fax:
0030 210 7242020
Research Domain
Keywords

Laboratory description

Sleep research; sleep EEG/EOG anlysis in neurodegenerative (e.g. mild cognitive impairment, dementia) and psychiatric disorders (e.g. schizophrenia); biomarkers for early detection of dementia; clinical characteristics; epidemiology and treatment of insomnia; sleep medicine


Technical Capabilities and areas of expertise

3-bed clinical and research sleep laboratory with state of the art equipment; 4 actigraphs available and experience with all kinds of sleep questionnaires; expertise in the fields of psychiatric and neurological sleep disorders, sleep apnea, insomnia as well as parasomnias.


Selected Publications in the 5 past years:

1. Bonanni E, Di Coscio E, Maestri M, Carnicelli M, Tsekou H, Economou NT, Paparrigopoulos TJ, Bonakis A, Papageorgiou S, Vassilopoulos D, Soldatos CR, Murri L, Ktonas PY. Differences in EEG delta frequency characteristics and patterns in slow-wave sleep between dementia patients and controls: a pilot study. J Clin Neurophysiology, 2012; 29:50-54.
2. Dikeos D, Georgantopoulos G. Medical comorbidity of sleep disorders. Curr Opin Psychiatry. 2011 Jul;24(4):346-54
3. Kokras N, Kouzoupis AV, Paparrigopoulos T et al (be consistent and list all authors as above). Predicting insomnia in medical wards: the effect of anxiety, depression and admission diagnosis. Gen Hosp Psychiatry. 2011;33(1):78-81.
4. Paparrigopoulos T, Tzavara C, Thelerits C, Psarros C, Soldatos C, Tountas Y. Insomnia and its correlates in a representative sample of the Greek population. BMC Public Health. 2010 3;10:531.
• Ventouras EM, Ktonas PY, Tsekou H, Paparrigopoulos T, Kalatzis I, Soldatos CR. Independent component analysis for source localization of EEG sleep spindle components. Comput Intell Neurosci. 2010 Epub 2010 Mar 29.
5. Economou NT, Paparrigopoulos TJ. CPAP and quality of life: a still unresolved issue. Sleep Med 2010;11(3): 331.
6. Paparrigopoulos T, Tzavara C, Thelerits C, Soldatos C, Tountas Y. Physical activity may promote sleep in cardiac patients suffering from insomnia. Int J Cardiol. 2010;143(2):209-11.
7. Ktonas PY, Golemati S, Xanthopoulos P, Sakkalis, V, Ortigueira MD, Tsekou H, Zervakis M, Paparrigopoulos T, Bonakis A, Economou NT, Theodoropoulos P, Papageorgiou SG, Vassilopoulos D, Soldatos CR. Time-frequency analysis methods to quantify the time-varying microstructure of sleep EEG spindles: possibility for dementia biomarkers? J Neurosci Methods. 2009;185(1):133-42.
8. Ferentinos P, Kontaxakis V, Havaki-Kontaxaki B, Paparrigopoulos T, Dikeos D, Ktonas P, Soldatos C. Sleep disturbances in relation to fatigue in major depression. J Psychosom Res. 2009 Jan;66(1):37-42.
9. Lee KA, Beyene Y, Paparrigopoulos TJ, Dikeos DG, Soldatos CR. Circadian rhythms and sleep patterns in urban Greek couples. Biol Res Nurs. 2007 Jul;9(1):42-8.
10. Paparrigopoulos T, Thelerits C, Tzavara C, Papadaki A. Sleep disturbance in haemodialysis patients is closely related to depression. Gen Hosp Psychiatry. 2009;31(2):175-7.


Key Publications of the Laboratory:

1. Dikeos DG, Soldatos CR. The condition of insomnia: etiopathogenetic considerations and their impact on treatment practices. Int Rev Psychiatry. 2005;17(4):255-62.
2. Soldatos CR, Paparrigopoulos T. Sleep physiology and pathology: pertinence to psychiatry. Int Rev Psychiatry. 2005;17(4):213-28.
3. Soldatos CR, Allaert FA, Ohta T, Dikeos DG. How do individuals sleep around the world? Results from a single-day survey in ten countries. Sleep Med. 2005 Jan;6(1):5-13.
4. Papadimitriou GN, Dikeos DG, Soldatos CR. Sleep disturbance in unipolar and bipolar depression: relationship to psychiatric family history. Neuropsychobiology. 2003;48(3):131-5.
5. Soldatos CR, Dikeos DG, Paparrigopoulos TJ. The diagnostic validity of the Athens Insomnia Scale. J Psychosom Res. 2003 Sep;55(3):263-7.
6. Soldatos CR, Dikeos DG, Paparrigopoulos TJ. Athens Insomnia Scale: validation of an instrument based on ICD-10 criteria. J Psychosom Res. 2000 Jun;48(6):555-60.
7. Ktonas PY, Paparrigopoulos T, Monoyiou EA, Bergiannaki JD, Soldatos CR. Sleep spindle incidence dynamics: a pilot study based on a Markovian analysis. Sleep. 2000 May 1;23(3):419-23.


Current/Completed Grants (past 5 years):

BIOMARKER (EU, FP6 Network of Excellence project, no. 508803, 2004-2008)


Other laboratory Members

Title:  MD

Name:  Anastasios Bonakis

Email:  bonakistasos@yahoo.com

Title:  MD

Name:  Christos Theleritis

Email:  ctheleritis@gmail.com

Title:  MD

Name:  Constantinos Psarros

Email:  costaspsarros@yahoo.com

Title:  MD

Name:  Thomas Paparrigopoulos

Email:  tpaparrig@med.uoa.gr

Title:  MD

Name:  Anastasios Bonakis

Email:  bonakistasos@yahoo.com

Title:  MSc

Name:  Lazaros Papageorgiou

Email:  lazarosp21@hotmail.com

Title:  MSc

Name:  Ourania Konstantouraki

Email:  raniakonst@hotmail.com

Title:  MSc

Name:  Angeliki Konsta

Email:  angeliki_konsta@yahoo.gr

Title:  MD

Name:  Georgia Trakada

Email:  gtrakada@hotmail.com

Title:  MD

Name:  Apostolia Ghika

Email:  lia.ghika@gmail.com

Title:  MD

Name:  Andreas Kyrozis

Email:  kyr@otenet.gr

Title:  MD

Name:  Nicholas-Tiberios Economou

Email:  nt_economou@yahoo.it

Title:  MSc

Name:  Hara Tsekou

Email:  hara.tsekou@gmail.com

Title:  PhD

Name:  Periklis Ktonas

Email:  pktonas@uh.edu


Collaborations

Title:  MD

Name:  Sokratis Papageorgiou

Title:  PhD

Name:  Emmanuel Ifeachor

Position:  Head of SPMC research

Institution:  Signal Processing and Multimedia Communications Research Group, School of Computing and Mathematics, Plymouth University, Plymouth, UK.

Name:  Mauro Manconi

Institution:  Sleep and Epilepsy Center, Neurocenter of the Southern Switzerland, Civic Hospital of Lugano, Lugano, Switzerland

Name:  Luigi Ferini-Strambi

Institution:  Sleep Disorders Centre, Department of Clinical Neurosciences, San Raffaele Scientific Institute, Milan, Italy

Name:  Enrica Bonnani

Institution:  Sleep and Epilepsy Center, Neurocenter of the Southern Switzerland, Civic Hospital of Lugano, Lugano, Switzerland

Title:  MD

Name:  Michelangelo Maestri

Institution:  Sleep and Epilepsy Center, Neurocenter of the Southern Switzerland, Civic Hospital of Lugano, Lugano, Switzerland


Past Members

Title:  MD

Name:  Constantin Soldatos

Email:  egslelabath@hol.gr

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