Many children have televisions in their bedrooms; it’s become a feature of modern life where technology inhabits every square inch of the house. It’s also not uncommon for children to watch television or play computer games before they go to bed, just like adults do. But when children’s bedrooms have this much technology in them, does it impact their sleep?
What does this mean for our children’s sleep?
It’s no secret that televisions and the light they emit are not conducive to a good night’s sleep. Televisions and screens from other electronic devices produce a form of light called ‘blue light’. This is beneficial during the day as it can boost attention, reaction times and even your mood.
However, when the sun goes down, it’s a whole different story. Light suppresses the release of melatonin, a hormone that has an effect on our daily circadian rhythms, but blue light has an even more powerful effect, impacting further on the release of melatonin. Harvard researchers found that, when exposed to comparable amounts of blue and green light (green light has longer wavelengths), blue light suppressed melatonin and shifted circadian rhythms for twice as long as green light.
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