It looks as though we may have another condition to add to the list of health consequences of insomnia: the common cold.
A US study took 164 healthy men and women between the ages of 18 to 55 and asked them to record their sleep over the course of a week.
At the end of that week, the participants were quarantined and given nasal drops containing rhinovirus.
Researchers found that those with shorter sleep durations were more likely to develop a cold compared to those with longer sleep durations.
More specifically, those who slept less than five hours per night, or only got between five and six hours of sleep were over four times more likely to develop a cold compared to those who slept for seven or more hours per night.
Interestingly, disturbed sleep appeared to have no effect on cold risk - researchers only saw an association when measuring sleep duration.
This appears to add further weight to the idea that our immune systems and sleep systems are inextricably linked.
Last updated: September 1, 2015