Background: Sleep problems are the most important issues that need attention, cognitive behavioral therapy has positively improved sleep quality among older person. Aim: To evaluate the effect of training program about cognitive behavioral therapy on sleep quality among the older persons. Design: A Quasi-experimental (pre and post-test). Setting: All geriatric clubs in Assiut city. Sample: 81 older person aged from (60 to 70 and more) who complained from sleeping problems. Tools: I. Personal characteristics, II. Comorbidities questionnaire, III. Pittsburgh sleep quality index to measure the quality and patterns of sleep, IV. Epworth sleepiness scale to measure daytime sleepiness and diagnoses sleep disorders, V. Geriatric anxiety scale and VI. Geriatric depression scale. Results: Musculoskeletal problems were most prevalent with 50.6% followed by high blood pressure 48.1%. Epworth sleepiness scale was affected by sex and living status in preprogram P-value= 0.027 and 0.003 while not affected in post-program P-value=0.307 and 0.056; moreover, affected by high blood pressure and pulmonary diseases in pre and post program. Pittsburgh sleep quality index affected by practicing exercise in preprogram P-value=0.019 and wasn’t significance in post program P-value=0.252, it affected by heart diseases in preprogram P- value=0.000 while with pulmonary diseases and diabetes mellitus in post program P-value=0. 042 and 0.007. Conclusion: These results support the use of training cognitive behavioral therapy for improving sleeping quality. Training program about cognitive-behavioral therapy for improving sleep quality is recommended for older adult