MedGen

Deep, noisy breathing during sleep, accompanied by hoarse or harsh sounds, is caused by the vibration of respiratory structures, especially the soft palate. This vibration results in sound due to obstructed air movement during breathing while sleeping. [from HPO]

Snoring at a particularly loud or abnormally high volume. [from HPO]

A primary or metastatic malignant neoplasm that affects the hard palate. [from NCI]

An intermittent cessation of airflow at the mouth and nose during sleep is known as sleep apnea. Apneas that last at least 10 seconds are considered significant, but individuals with sleep apnea may experience apneas lasting from 20 seconds up to 2 or 3 minutes. Patients may have up to 15 events per hour of sleep. [from HPO]

Abnormal feeling of sleepiness or difficulty staying awake. [from HPO]

A non-neoplastic or neoplastic disorder that affects the respiratory system. Representative examples include pneumonia, chronic obstructive pulmonary disease, pulmonary failure, lung adenoma, lung carcinoma, and tracheal carcinoma. [from NCI]

Width of the palate more than 2 SD below the mean (objective) or apparently decreased palatal width (subjective). [from HPO]