The is an invaluable resource, but it must be treated with the respect it deserves as a validated psychometric instrument. Do not simply download a random copy from the internet. Instead, reach out to the research community:
Without the multidimensional DSSQ, the researcher would only know that sleep deprivation causes "more stress." With the DSSQ, they understand the specific energetic and cognitive failures. dundee stress state questionnaire pdf
If you need a , I recommend emailing Prof. Gerald Matthews (gerald.matthews@ucf.edu) with your institutional affiliation and research proposal. Alternatively, check the University of Dundee’s research portal or search for “DSSQ” on PsycTESTS (paid access). The is an invaluable resource, but it must