Light. It wakes us up, it nourishes our body, boosts mood-regulating hormones, and controls everything from metabolism to blood pressure. But few people would consider it a sleep aid. After all, too ...

Exactly what your flickering eyes are doing during the rapid-eye-movement phase of sleep has long been a mystery to scientists, but a team that monitored the neurons of volunteers says it has figured ...

Your body may be still, but as you dream, your eyes can flicker manically. The rapid eye movement stage of sleep is when we have our most vivid dreams – but do our flickering eyes actually “see” ...

Flicker, or a flashing effect, occurs as the LED backlight controller of a monitor adjusts to the changes in brightness level. A regular monitor backlight can cause fast backlight flickering at 200Hz ...