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. 2023 Feb 23;14:1117645. doi: 10.3389/fpsyt.2023.1117645

Figure 1.

Figure 1

Study design. Participants wore an actigraph for 2 weeks and filled out questionnaires at three points of time as well as two daily protocols (morning and evening) via a mobile phone app (PsyDiary). During a personal appointment (after week 1), experimental group 1 (EG1) received feedback on their sleep data from the first week plus a sleep education intervention, while EG2 received sleep data feedback only. The waiting-list control group (CG) was monitored like the other groups, but only had a personal appointment and got feedback after the end of the 2-week study period.