IRCT20190315043062N2 IRCT 2020-07-05 Rasht University of Medical Sciences The Effect of Breathing Exercises on the Sleep Quality of Older Adults with Chronic Lung Disease Comparison of the effect of diaphragmatic and pursed-lip breathing exercises on sleep quality of older adults with chronic obstructive pulmonary disease 2020-07-22 anticipated 60 Complete https://irct.ir/trial/45111 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Crossover, Purpose: Supportive, Randomization description: Subjects are divided into intervention groups (1 and 2) using random allocation method. First, the names of the treatment centers are written on separate sheets and then put in a packet and removed as one in the middle of the envelope and placed in intervention groups 1 and 2. (3 centers for intervention group 1 and 3 centers for intervention group 2). N/A Chronic obstructive pulmonary disease. Intervention 1: Intervention group1: This group will first perform diaphragmatic breathing exercises for 4 weeks. After one week of wash out period, in the next 4 weeks of the study, they will do the pursed-lip breathing exercise. Intervention 2: Intervention group2: This group will first perform pursed-lip breathing exercises for 4 weeks. After one week of wash out period, in the next 4 weeks of the study, they will do the diaphragmatic breathing exercise. No - There is not a plan to make this available Justification or reason for not sharing IPD is There is no more information