Green Light Instead of Blue?

June 8, 2016

Headline: Lighting color affects sleep, wakefulness

Green light promotes sleep while blue light delays it, find researchers

Source:University of Oxford

A research team from Oxford University have shown how different colours of light could affect our ability to sleep.

The researchers, led by Dr Stuart Peirson from Oxford’s Sleep and Circadian Neuroscience Institute were aiming to understand why exposing mice to bright light caused two — physically incompatible — responses.

Dr Peirson explained: ‘When we expose mice to light during the night, it causes them to fall asleep. Yet, at the same time, it also increases levels of corticosterone, a stress hormone produced by the adrenal gland that causes arousal — wakefulness. We wanted to understand how these two effects were related . . .

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