- NEW YORK : People who struggle to get a good night’s sleep are twice as likely, on average, to suffer from depression down the road as those who sleep soundly, Japanese researchers report.
After surveying thousands of adults in a rural Japanese town over the course of two years, a team from Tokyo Medical University found that participants with insomnia at the study’s outset were up to two and a half times more likely to have a new or ongoing case of depression by the end.
