Being able to hear yourself snore indicates that you are really snoring, while people may perceive sound stimuli during the period of falling asleep, light sleep and rapid eye movement, thus hearing the snoring sound. Snoring is the sound made by airflow through the narrow airway. The causes are complex, including congenital anatomical malformations, tracheal stenosis, enlarged tongue, enlarged tonsils, enlarged soft palate, nasal polyps, enlarged nasal turbinates, more males than females, obesity, heredity, cigarette smoking, and hypothyroidism, which can induce or aggravate snoring. Sleep is divided into five cycles, namely, the period of falling asleep, light sleep, sound sleep, deep sleep and rapid eye movement. In the five sleep cycles, sleep onset, light sleep and REM sleep can perceive sound stimulation, at this time, if you snore, you can wake up due to excessive snoring, and you will hear yourself snoring. People who can hear themselves snoring are advised to actively seek medical attention for a definitive diagnosis to avoid further development of the condition. Severe snoring can cause obstructive sleep apnea syndrome, resulting in hypoxic symptoms.