Breathing disorders may be depression marker

A population-based study of more than 9700 US adults found that people who reported that they snort, gasp or stop breathing while asleep were significantly more likely to have probable major depression based on a nine-item screen test.

And those previously diagnosed with obstructive sleep apnoea were also significantly more likely to be depressed. 

Commenting, Sydney psychologist Clinical Associate Professor Delwyn Bartlett, a behavioural sleep medicine specialist from the Woolcock Institute of Medical Research, said the findings highlight the need