A Better Type of Light to Look at Before Sleep

A Better Type of Light to Look at Before Sleep
Kopin High Dynamic Range OLED (Photo: Business Wire)

Extended exposure to light during nighttime can have negative consequences for human health. But now, researchers from Japan have identified a new type of light with reduced consequences for physiological changes during sleep.

In a study published in June 2021 in Scientific Reports, researchers from University of Tsukuba compared the effects of light-emitting diodes (LEDs), which have been widely adopted for their energy-saving properties, with organic light-emitting diodes (OLEDs) on physical processes that occur during sleep.

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