The Hindustan Times published a report addressing the ongoing debate on social media regarding the health impact of Wi-Fi signals—particularly at night—and whether turning off the router before bed offers any tangible health benefits.
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The report clarifies that Wi-Fi routers emit non-ionizing radiation at low frequencies (2.4 or 5 GHz), which are considered safe by established scientific standards. To date, no conclusive evidence has shown that such exposure causes significant physiological changes in the human body within normal daily levels.
Dr. Hiran Reddy, a consultant in internal medicine and critical care at Gleneagles Hospital in Hyderabad, stated that most people would not notice any physical difference if they turn off their router at night. However, some individuals who consider themselves electromagnetically sensitive might report improvements in symptoms such as headaches or sleep disturbances—even though scientific proof for this phenomenon remains lacking.
Dr. Sudhir Kumar, a neurology consultant at Apollo Hospitals, emphasized that current research does not indicate a direct effect of router emissions on melatonin production, the hormone responsible for regulating sleep. He pointed out that blue light from screens is far more disruptive to sleep patterns than any radiation emitted by routers.
Ultimately, the report concludes that turning off your Wi-Fi router at night is unlikely to directly impact your health, but it might indirectly improve sleep quality by encouraging less use of electronic devices at night—a habit that can have positive effects on overall sleep and well-being.
