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Authors
Fruehlinger, Christoph https://orcid.org/0000-0001-5901-9206
Paul, Katharina https://orcid.org/0000-0001-9817-740X
Kührt, Corinna https://orcid.org/0000-0002-6418-6479
Wacker, Jan https://orcid.org/0000-0001-8627-7294
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Funding
Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (BE 2443/12-1, HE 2443/16-1, HE 5330/15-1, HI 1780/6-1, MU 3535/7-1, OS 422/7-1, PA 4014/2-2, STA 1035/6-1, STR 615/7-1, WA 2593/9-1)
Universität Hamburg
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Article History
Accepted: 5 June 2025
First Online: 1 July 2025
Declarations
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: The authors have no relevant financial or non-financial interests to disclose.
: The study protocol of the CoScience data set was approved by the ethics committee of the German Society of Psychology (DGPs).
: All participants provided informed consent to participate (Paul et al., ).
: Not applicable.
: This study was preregistered before accessing the data (). We have minor deviations from our preregistration to disclose (i.e., exploratory cluster analysis, number of Spearman correlations between average spectral power and sleepiness scores; see Table in the Appendix; Willroth & Atherton, ).
