India, June 21 -- A teen's mental health, as well as their body mass index (BMI) and screen time, are significantly associated with their sleep quality, according to a new paper published June 10, 2026 in the open access journal PLOS One by Jianying Li of Shanxi University, China, and colleagues. The study also found that girls and adolescents living in more rural areas tend to have lower sleep quality.

Sleep quality is increasingly recognized as a critical lifestyle determinant of physical and mental health during adolescence, yet declining sleep quality among adolescents has become a growing public health concern. Factors such as screen use, sedentary behavior, and mental health problems have been linked to poor sleep in young people, ...