Hypopnea refers to the state in which insufficient alveolar ventilation during night sleep
decreases the respiratory airflow by more than 50% of the airflow. However, sleep apnea is …

Sleep apnea is a common disorder that reduces sleep quality which can lead to serious
health consequences. It is identified by a pause in breathing during sleep. At present …

Sleep Apnea Syndrome is one of the most common and dangerous causes of sleep disorder
that the suspected patients are tested (examined) by recording various types of vital signals …

Sleep apnea is one of the major sleep disorders of today. The diagnosis of sleep apnea is
performed by specialist physicians. This situation extends the duration of the diagnosis. To …

Sleep staging is an important step in the diagnosis of obstructive sleep apnea (OSA) and
this step is performed by a physician who visually scores the electroencephalography …

Sleep apnea (SA) is a common sleep disorder characterized by respiratory disturbance
during sleep. Polysomnography (PSG) is the gold standard for apnea diagnosis, but it is time …

Sleep apnea syndrome (SAS) is a disorder in which respiratory airflow frequently stops
during sleep. Alterations in electroencephalogram (EEG) signal are one of the physiological …

Sleep apnea-hypopnea event detection has been widely studied using various biosignals
and algorithms. However, most minute-by-minute analysis techniques have difficulty …

Sleep apnea causes frequent cessation of breathing during sleep. Feature extraction
approaches play a key role in the performance of apnea detection algorithms that use single …

A variety of feature extraction and classification approaches have been proposed using
electrocardiogram (ECG) and ECG-derived signals for improving the performance of …