Thousands of people are referred to the Sleep Disorders Centre every year—with a dizzying array of factors behind their issues, reports iNews.

Dr Leschziner, 44, says it’s hard to pinpoint trends but suggests “nationally, the biggest growth probably related to biological factors is the increase in sleep apnoea. As a population we’ve become heavier and sleep apnoea has become increasingly common.

“But an increased awareness of sleep issues in general means more people are coming forward.”