Phone-induced sleep problems  and mood disorders
Mental Health Mood Blue light

Phone-induced sleep problems and mood disorders

Dr Nicolas Gutierrez
Dr Nicolas Gutierrez

In 10 seconds? Researchers have identified the cells in our eyes that let blue light from smartphone screens disrupt sleep, cause insomnia potentially leading to metabolic diseases or mood disorders.

Blue light and sleep? I've heard it before... It's no news that using blue light-emitting screens at night disrupts sleep. But how does it happen? Some cells in our eyes play a key role in letting ambient light from our phones and tablets reset our circadian clocks by suppressing the production of the 'sleep hormone', melatonin. And, there is a connection between the genes regulating our circadian rhythm and bipolar disorder (or 'manic depression'). Moreover, a disrupted circadian clock may contribute to the development of obesity and metabolic disease, cardiovascular diseases, diabetes, and cancer.

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