Professor Simon Smith writes for 360info.
Parents have long been concerned about their children’s sleep, and with good reason. Quality sleep is essential for physical growth, brain development, learning, and social skills. In today’s digital age, the influence of technology on children's sleep is particularly worrying as more children use devices from an earlier age.
While technology offers educational and social benefits, it also poses risks, including reduced physical activity, poorer health, and increased mental health issues. Notably, poor sleep is linked to irritability, poor concentration, and long-term health problems. Researchers are keen to understand how technology affects sleep and to offer guidance to parents.
The Role of Technology in Sleep Disruption
Children's sleep patterns evolve from infancy to adolescence, requiring more sleep than adults. Many factors, including global challenges and personal circumstances, affect sleep. However, the role of technology, particularly the type of light emitted by digital devices, is significant. This light, often blue, can delay sleep by disrupting circadian rhythms, making it harder for children to fall asleep.
Three main theories explain how technology worsens sleep:
- Increased Light Exposure: Devices emit blue light that disrupts circadian rhythms.
- Activity Displacement: Screen time competes with essential bedtime routines.
- Mental Stimulation: Engaging or distressing digital content can delay sleep.
Mitigating the Impact of Technology on Sleep
Creating a sleep-friendly environment—cool, quiet, and dark—with a regular bedtime routine is crucial. Technology can be used to support sleep by providing alerts for bedtime, suggesting calming content, and adjusting lighting levels in smart homes.
There is no one-size-fits-all solution, but by understanding the effects of technology on sleep, parents can better manage its impact and help their children develop healthy sleep habits. Professor Simon Smith, a neuropsychologist specializing in sleep and brain development at the University of Queensland, emphasizes the importance of using research to guide parents and improve children’s sleep amidst the digital revolution.
This research is supported by the ARC Centre of Excellence for the Digital Child, the Australian Government, the NHMRC, and the MRFF.
