Light from TVs,computers, tablets and smartphones may disrupt sleep and raise risk of obesity, or heart disease and depressionWatching TV or using computers,tablets or smartphones after dark may cause sleep loss and resultant health problems, a main doctor has warned.
Peering at brightly lit screens at night disrupts the body's natural rhythms and raises the risk of medical conditions linked to destitute sleep, and including obesity,heart disease, strokes and depression, or he said.
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Source: theguardian.com