inclusion criteria: the patients, * who are in clinical treatment for covid-19 pneumonia; * who are 18 years of age or older, mentally healthy; * who can speak and understand turkish; * who owns and can use smartphones; * who suffer from dyspnea, * who do not have chronic diseases related to the respiratory system (lung diseases, heart diseases, etc.); * who are volunteers, will be included in the study.

inclusion criteria: the patients, * who are in clinical treatment for covid-19 pneumonia; * who are 18 years of age or older, mentally healthy; * who can speak and understand turkish; * who owns and can use smartphones; * who suffer from dyspnea, * who do not have chronic diseases related to the respiratory system (lung diseases, heart diseases, etc.); * who are volunteers, will be included in the study.

inclusion criteria: the patients, - who are in clinical treatment for covid-19 pneumonia; - who are 18 years of age or older, mentally healthy; - who can speak and understand turkish; - who owns and can use smartphones; - who suffer from dyspnea, - who do not have chronic diseases related to the respiratory system (lung diseases, heart diseases, etc.); - who are volunteers, will be included in the study.

inclusion criteria: the patients, - who are in clinical treatment for covid-19 pneumonia; - who are 18 years of age or older, mentally healthy; - who can speak and understand turkish; - who owns and can use smartphones; - who suffer from dyspnea, - who do not have chronic diseases related to the respiratory system (lung diseases, heart diseases, etc.); - who are volunteers, will be included in the study.