Uncovering Impact- Can Screen Time Before Bed Affect Children's Ability to Fall Asleep?

In today's digital world, screens hold a significant place in children's lives. From entertaining videos to interactive learning apps, screens capture kids' attention like never before. However, an important question arises: How does screen time impact a child's ability to fall asleep?

A recent literature review of studies investigating the link between children's screen use and sleep found that 90% of included studies found an association between screen use and delayed bedtime, as well as a decrease in total sleep time (Hale, 2019). Additionally, a study by Sekhar et al. (2024) found that children with low screen time had better sleep efficiency, more frequent dream recall, fewer middle of the night awakenings, less daytime sleepiness, and higher physical activity levels compared to those with high screen time, and that fostering a screen-free bedroom environment may contribute to these positive outcomes.

The Science of Sleep

Many studies have demonstrated that exposure to blue light (the light emitted from our screens) can delay the release of melatonin, which is a hormone that regulates the sleep-wake cycle, with some studies suggesting that blue-light exposure affects sleep quality by reducing the ratio of deep sleep (Ishizawa, 2021). However, new research has taken these findings one step further by investigating the effects of passive versus active screen use. A 2023 study (Khan) found that while all participants who engaged in high levels of screen use had difficulties with falling asleep, this effect was more pronounced for the participants who engaged in active screen time such as video games, compared to passive screen time such as watching television.

Tips for Healthy Screen Habits

1. Set a Screen Curfew: Designate a specific time in the evening for turning off all screens—ideally, at least one hour before bedtime. This helps signal to the brain that it's time to relax.

   
   

2. Cultivate a Calm Bedtime Routine: Promote relaxing non-screen activities such as reading, drawing, or light stretching before bed. These activities can help children transition smoothly from a busy day to a peaceful night.

   
   

3. Choose Less Stimulating Content: If your child does use screens in the evening, choose passive screen time such as television watching over active screen time such as playing video games. Try to ensure the content is as calm and relaxing as possible . Gentle educational shows or soothing music are better options compared to shows that have rapid pacing and quick scene changes, which may lead to overstimulation.

   
   

4. Lead by Example: Children often imitate adult behavior. By practicing healthy screen habits yourself, you can positively influence your child's routine.

   
   

Final Thoughts

The evidence connecting screen time before bed to difficulties in falling asleep is compelling. The combination of blue light and heightened psychological stimulation creates a significant challenge for kids trying to achieve restful sleep.

As parents and caregivers, establishing healthy screen time practices is vital for children's well-being. By setting clear boundaries around evening screen use and fostering a peaceful bedtime routine, families can promote healthier sleep patterns.

References

G CS, V H, Tumati KR, Ramisetty UM. The Impact of Screen Time on Sleep Patterns in School-Aged Children: A Cross-Sectional Analysis. Cureus. 2024 Feb 29;16(2):e55229. doi: 10.7759/cureus.55229. PMID: 38425328; PMCID: PMC10903530.

Hale L, Kirschen GW, LeBourgeois MK, Gradisar M, Garrison MM, Montgomery-Downs H, Kirschen H, McHale SM, Chang AM, Buxton OM. Youth Screen Media Habits and Sleep: Sleep-Friendly Screen Behavior Recommendations for Clinicians, Educators, and Parents. Child Adolesc Psychiatr Clin N Am. 2018 Apr;27(2):229-245. doi: 10.1016/j.chc.2017.11.014. PMID: 29502749; PMCID: PMC5839336.

Masao Ishizawa, Takuya Uchiumi, Miki Takahata, Michiyasu Yamaki, Toshiaki Sato,

Effects of pre-bedtime blue-light exposure on ratio of deep sleep in healthy young men,

Sleep Medicine, Volume 84, 2021.

Khan A, Reyad MAH, Edwards E, Horwood S. Associations between adolescent sleep difficulties and active versus passive screen time across 38 countries. J Affect Disord. 2023 Jan 1;320:298-304. doi: 10.1016/j.jad.2022.09.137. Epub 2022 Sep 30. PMID: 36183824.