Health impact assessment of introducing LED street lighting in Stockport
Evidence indicates that exposure to artificial bright light during the night-time suppresses melatonin secretion, increases sleep onset latency and increases alertness. Chronic ALAN exposure can cause circadian rhythm misalignment which may have negative effects on the psychological, cardiovascular and/or metabolic functions.
New generation of streetlights could damage eyesight and disrupt sleep
It also raised concerns about the increasing use of LED lights on new cars, suggesting that they risked dazzling oncoming drivers – especially if they are elderly.
