Study discovers a protein in the brain that responds to light and darkness to set the correct balance between sleep...


Study discovers a protein in the brain that responds to light and darkness to set the correct balance between sleep and wakefulness. Genetically engineered zebrafish that overexpress the protein fell asleep during the day, showing the effects were dependent on external light, not circadian rhythm.



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  • Link to abstract:- [Light-Dependent Regulation of Sleep and Wake States by Prokineticin 2 in Zebrafish](http://www.cell.com/neuron/fulltext/S0896-6273(17)30499-3)

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