''Sleep apnoea '' is defined as a temporary pause in breathing during sleep lasting at least-
Sleep OSAHS also may be diagnosed in the absence of symptoms if the AHI is above 15. Each episode of apnea or hypopnea represents a reduction in breathing for at least 10 sec Ref Harrison 19th edition pg 1723
40 seconds
30 seconds
20 seconds
10 seconds
Respiratory system