Breathing devices are tools designed to assist individuals in breathing more easily. They are commonly used by people with respiratory conditions, such as asthma or chronic obstructive pulmonary disease (COPD). These devices can include inhalers, nebulizers, and continuous positive airway pressure (CPAP) machines, each serving a specific purpose to deliver medication or provide airflow. Inhalers are portable devices that release medication directly into the lungs, while nebulizers convert liquid medication into a mist for easier inhalation. CPAP machines are often used during sleep to keep airways open, helping individuals with sleep apnea breathe more effectively throughout the night.