Parkinson’s Disease Sleep Scale 2 (PDSS-2)

Chaudhuri KR; Trenkwalder C

Distributed by Mapi Research Trust


Distributed by Mapi Research Trust

Basic description

Developed in 2010
The PDSS-2 is a revised version of the Parkinson’s Disease Sleep Scale (PDSS).

AUTHOR WEBINAR on the PDSS-2: Consult the Recorded session!


Chaudhuri KR; Trenkwalder C

PDSS-2 © Ray Chaudhuri, Claudia Trenkwalder 2010. All Rights Reserved.
To characterise and quantify the various aspects of nocturnal sleep problems in Parkinson's disease (PD)
Therapeutic area
  • Nervous System Diseases
Therapeutic indication

Parkinson Disease

Type of Clinical Outcome Assessment (COA)
  • pro PRO
Original language(s)
  • English for the UK
  • German for Germany
Bibliographic reference(s) of the original questionnaire

Trenkwalder C, Kohnen R, Högl B, Metta V, Sixel-Döring F, Frauscher B,Hülsmann J, Martinez-Martin P, Chaudhuri KR. Parkinson's disease sleepscale--validation of the revised version PDSS-2. Mov Disord. 2011Mar;26(4):644-52. doi: 10.1002/mds.23476. Epub 2011 Feb 10 (PubMed abstract)

Contact and conditions of use


Chaudhuri KR; Trenkwalder C

Professor K Ray Chaudhuri
Neurology, 9th Floor Ruskin Wing, 
Kings College Hospital, Denmark Hill,London SE5 9RS
Tel: +44 (0) 20 7848 5681
E-mail: chaudhuriray@hotmail.com; ray.chaudhuri@kcl.ac.uk

Ray Chaudhuri publications (PubMed)


Dr. Claudia Trenkwalder
University of Goettingen and Paracelsus-Elena Hospital
Center of Parkinsonism and Movement Disorders, Klinikstr. 16
34128 Kassel
E-mail: ctrenkwalder@gmx.de

Claudia Trenkwalder publications (PubMed)


Dr. Ralf Kohnen
Ralf Kohnen publications (PubMed)

Contact information

Mapi Research Trust
27 rue de la Villette
69003 Lyon
Phone: +33 (0)4 72 13 66 66

Conditions of use

Non-Commercial Users

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Access fees

ROYALTY FEES* Commercial users Cost per study Between 3 675 € and 26 250 € (depending on the number of patients included in the study)
Cost per language Free
Funded academic research Cost per study Free
Cost per language Free
Not funded academic users Cost per study Free
Cost per language Free
DISTRIBUTION FEES* Commercial users Cost per study 1 000 €
Cost per language 500 €
Funded academic research Cost per study 300 €
Cost per language 50 €
Not funded academic users Cost per study Free
Cost per language Free

* Excluding VAT
Commercial users: Industry, CRO, any for-profit companies
Funded Academic research: Projects receiving funding from commerce, government, EU or registered charity. Funded academic research– sponsored by industry fits the “commercial users” category.
Not funded academic users, individual medical practice: Projects are not explicitly funded, but funding comes from overall departmental funds or from the University or individual funds

Review copy

Examination copies can only be used for the limited purpose of examining the suitability of the Questionnaire for subsequent research and/or clinical use, and cannot be used in research or in clinical practice or distributed to others.
You are not authorized to modify, retype, translate, copy or otherwise duplicate the Questionnaire except with the further and prior written permission of Mapi Research Trust / the developers / copyright holders / distributors.


Original language(s)

  • English for the UK
  • German for Germany


The listed translations may not have undergone a full linguistic validation process and may require further work to be suitable for use in a study. This list is subject to constant changes, therefore please check the status of translations with Mapi Research Trust / the developers / copyright holders / distributors.


Arabic for Israel*
Arabic for Saudi Arabia*
Bulgarian for Bulgaria*
Chinese for China (Simplified)
Chinese for China (Traditional)
Croatian for Croatia*
Czech for Czech Republic*
Danish for Denmark*
Dutch for Belgium (Flemish)*
Dutch for the Netherlands*
English for Australia*
English for Canada*
English for Ireland*
English for the USA*
Estonian for Estonia*
Filipino for the Philippines
Finnish for Finland*
French for Belgium*
French for Canada*
French for France*
German for Austria*
Greek for Greece*
Hebrew for Israel*
Hindi for India
Hungarian for Hungary*
Italian for Italy*
Japanese for Japan
Korean for South Korea*
Latvian for Latvia*
Lithuanian for Lithuania
Malay for Malaysia
Mandarin for China*
Norwegian for Norway*
Polish for Poland*
Portuguese for Portugal*
Romanian for Romania*
Russian for Estonia*
Russian for Israel*
Russian for Latvia*
Russian for Russia*
Russian for Ukraine*
Slovak for Slovakia*
Slovenian for Slovenia*
Spanish for Spain*
Spanish for the USA*
Swedish for Sweden*
Turkish for Germany*
Turkish for Turkey
Ukrainian for Ukraine*
* Performed by Mapi

BiblioPRO: you can find information about the Spanish version here - puede encontrar información sobre la versión española aqui

The author has selected Mapi as exclusive linguistic validation company to ensure the production of harmonized and consistent language versions.

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Conditions to translate

Academic Translation

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Commercial Users

Exclusive vendor for translation work for commercial users: Mapi

More information on translations

Bibliographic reference of the Japanese translation:

Suzuki K, Miyamoto M, Miyamoto T, et al. Nocturnal disturbances and restlessness in Parkinson's disease: using the Japanese version of the Parkinson's disease sleep scale-2. J Neurol Sci. 2012 Jul 15;318(1-2):76-81 (PubMed Abstract)

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