It is a noise that only two per cent of people can hear, but this low droning sound would be enough to drive anyone mad. Scientists have been left baffled because they can’t figure out what causes a phenomenon called The Hum, or why it affects so few people. Sufferers have identified common factors: the humming is only heard indoors, it is a low, rumbling noise, it is louder at night, and is more common in more rural areas, reported The Huffington Post. Scroll down for video Irritating: Leeds is one of the most recent laces in the UK where the hum has been reported
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The Hum has been heard in isolated places around the world
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It can only be detected by one in fifty people in those areas
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Scientists left baffled as they can’t figure out what causes The Hum
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Those who hear it can experience headaches, nausea, dizziness, nosebleeds and sleep disturbances
Often sufferers otherwise have perfectly normal hearing, and @placeholder goes away when they leave a certain area.