Sleep deprivation is exacerbating mental health problems among teenage girls in Scotland, experts have said.
Research has shown almost a third of young people experience problems nodding off which has a negative impact on both mental and physical health.
But girls age 15 and over in particular are experiencing high levels of pressure in their lives which has contributed to anxiety and nervousness.
Leaders of the recent study said the picture is complex.
The research, led by Glasgow University and commissioned by NHS Health Scotland, surveyed school-age children in 2018. It found that the proportion of young people reporting sleep difficulties more than once a week increased from 23% in 2014 to 30% in 2018.
Some areas of wellbeing did show improvement – such as a reduction in substance, alcohol