Background of the study: Quality of sleep means sleep as one’s satisfaction of the sleep experience, integrating aspects of sleep initiation, sleep maintenance, sleep quantity, and refreshment upon awakening and affected by anxiety and stress. Positive thinking has effects as self-confidence, self-efficacy and reduction of anxiety and stress. Individuals with positive thinking have a tendency to reduce anxiety and stress to enhance quality of sleep. This study will explore the effects of planned positive thinking selected on quality of sleep. Objectives of the study: The aim of the study is to assess the effectiveness of planned positive thinking on quality of sleep among elderly in selected old age homes of Punjab. Material and Methods: A quantitative research approach and a quasi-experimental research design was used. Non-probability convenient sampling technique was used to select 60 elderly. Questionnaire method was used to collect data by using Pittsburgh Sleep Quality Index (PSQI) scale. Planned positive thinking ( raj yoga meditation and muscle strengthening exercise) given to experimental group for 20 min. for 21 consecutive days and muscle strengthening exercise given to control group .Results: The findings of the study revealed that in experimental group the majority of subjects 30 (100%) had average quality of sleep whereas no one had good quality of sleep in the pre-test. And after the post-intervention majority of subjects in experimental group had average 17 (56.7%) quality of sleep, and 13 (43.3%) had good sleep quality. Whereas In control group, the majority of subjects 29(96.7%) had average quality of sleep and 1 (3.3%) had good quality of sleep. And after the post, the majority of subjects in control group 30 (100%) had average quality of sleep. In experimental group difference between pre-intervention 11.23±1.524 and post-intervention8.13±1.697, level of quality of sleep was statistically significant at 0.05 level but difference between pre-intervention11.133±1.756 and post-intervention11.43±1.251 level of quality of sleep of control group was statistically non-significant at 0.05 level of significance. Conclusion: This study concluded that planned positive thinking helps in slightly improve the quality of sleep of elderly.