1. Being hospitalized for asthma treatment

2. Having a language barrier that hinders communication

3. Being diagnosed with COPD

4. Being diagnosed with a psychiatric disease

5. Being on psychoactive or opioid therapy

6. Being diagnosed with a sleep disorder related to non-respiratory reasons (physical and psychological) and being treated

Intervention group;

1. The participant was diagnosed with a health problem requiring inpatient treatment during the study period.

2. The participant withdraws from the study voluntarily.

3. Inability to use the mobile application during the research

4. Reading fewer than 6 theme headings in the mobile application (75% or less) and missing breathing exercises for more than 16 days (80% or less)

Control group;

1. The participant was diagnosed with a health problem requiring inpatient treatment during the study period.

2. The participant withdraws from the study voluntarily.

Effect of Mobile Application-Based Education on Self-Efficacy, Medication Adherence and Sleep Quality in Asthma.