Cyan colour hidden ingredient in sleep
By Sean Coughlan
BBC News education and family correspondent
22 June 2018
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The researchers say cyan could be added or taken away to prevent or encourage sleep
The colour cyan - between green and blue - is a hidden factor in encouraging or preventing sleep, according to biologists.University of Manchester researchers say higher levels of cyan keep people awake, while reducing cyan is associated with helping sleep.The impact was felt even if colour changes were not visible to the eye.The researchers want to produce devices for computer screens and phones that could increase or decrease cyan levels.Sleep researchers have already established links between colours and sleep - with blue light having been identified as more likely to delay sleep.
'Night mode'There have been "night mode" settings for phones and laptops which have reduced blue light in an attempt to lessen the damage to sleep.But the research by biologists…
BBC News education and family correspondent
22 June 2018
Image copyright
Getty Images
Image caption
The researchers say cyan could be added or taken away to prevent or encourage sleep
The colour cyan - between green and blue - is a hidden factor in encouraging or preventing sleep, according to biologists.University of Manchester researchers say higher levels of cyan keep people awake, while reducing cyan is associated with helping sleep.The impact was felt even if colour changes were not visible to the eye.The researchers want to produce devices for computer screens and phones that could increase or decrease cyan levels.Sleep researchers have already established links between colours and sleep - with blue light having been identified as more likely to delay sleep.
'Night mode'There have been "night mode" settings for phones and laptops which have reduced blue light in an attempt to lessen the damage to sleep.But the research by biologists…