Q My child loves playing smartphone games. Does that affect their growth?
A Late-night smartphone use suppresses melatonin (sleep hormone) secretion and delays bedtime, taking away the time when growth hormone is released. Blocking screens for one hour before sleep provides a surprisingly large improvement to the growth environment.
Detailed Answer
The blue light from smartphones and tablets suppresses melatonin secretion, delaying the time it takes to fall asleep and reducing sleep quality. Because growth hormone is secreted in concentrated bursts during deep sleep, a late bedtime directly reduces growth opportunities. Please turn off screens at least one hour before bed and, if possible, establish the habit of lying down before 10 p.m.
Korean Medicine Clinic Perspective
Even if the tonic fills Qi and Blood, insufficient sleep cuts the effect in half. At Dongjedang Korean Medicine Clinic, for children with shallow sleep we add calming and mind-settling herbs to address sleep quality improvement at the same time.
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