Bright light suppresses melatonin in kids

Study finds they are more vulnerable to night-time use of digital devices

One hour of exposure to bright light before bedtime almost completely shuts down the production of melatonin in preschoolers and keeps it suppressed for at least 50 minutes, a US study has found.

child awake

In response to the proliferation of digital technology, researchers assessed the physiological impact night-time light exposure has on the circadian system of children.

"It is really important to study the effects of light in young children and how it can affect sleep, especially because sleep problems that develop in childhood can persist later on in life and have a multitude of negative