The intervention will be conducted by Assist. Prof. Dr. Nurten ÖZÇALKAP. No invasive procedures will be performed; participants will engage in deep breathing, warm-up exercises, playful activities, and laughter exercises. The researcher holds an internationally certified training in laughter therapy. Intervention Group Participants will be invited face-to-face, informed about the study, and provide consent. They will be assigned to groups of 8 - 9 and receive laughter yoga twice weekly for a total of 8 sessions (20-40 minutes each) in a suitable hospital or institutional setting. Baseline assessments will include the Introductory Information Form, Brain Fog Scale, Psychological Well-Being Scale, and Sleep Quality Scale. These scales will be re-administered after the 8th session. Control Group Participants will be recruited similarly and provide consent. Baseline assessments will be conducted using the same instruments. Post-test assessments will be performed 4 weeks later. After study completion, control group participants who wish will be offered one session of laughter yoga.
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Introductory Information Form:
Timeframe: Baseline
Brain Fog Scale
Timeframe: Baseline, After 4 weeks
Psychological Well-Being Scale
Timeframe: Baseline, After 4 weeks
Pittsburgh Sleep Quality Index (PSQI)
Timeframe: Baseline, After 4 weeks