Abstract Sleep Apnoea is a prevalent, yet underdiagnosed sleep disorder characterised by repeated episodes of breathing cessation or reduction during sleep. This paper provides a thorough exploration of its causes, including anatomical, neurological, environmental, and external factors, both well-known and emerging. It examine Obstructive Sleep Apnoea (OSA), Central Sleep Apnoea (CSA), and Complex Sleep Apnoea Syndrome (CompSAS) while […]