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Studies have explored: the direct effects of light on sleep.

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Studies have explored: the direct effects of light on sleep.Many studies have explored the effects of light on the circadian rhythms of plants and animals, including humans. But few have examined the direct effects of light on sleep. Researchers at the California Institute of Technology proposed to determine how and why light directly affects sleep. Scientists wanted to know why darkness is soporific, and why brightness can interrupt deep sleep. Laboratory tests at Caltech revealed a key light-sensitive neuronal protein in maintaining the proper balance between wakefulness and sleep.Researchers had previously identified the photoreceptors in the eye that are required for the direct effect of light on wakefulness and sleep, researcher David Prober, a biology professor at Caltech, in a press release. But I wanted to know how the brain uses this visual information to affect sleep. In the laboratory, the researchers marked the protein prokinctin 2 or PROK2 brain, with bioluminescent markers in zebrafish models. The zebrafish follows a pattern of daytime daytime sleep similar to humans. They are also translucent, which facilitates the monitoring of neuronal activity.Scientists designed several zebrafish to overexpress PROK2 protein. The fish with an excess of PROK2 were more likely to fall asleep during the day and wake up at night. These effects were dependent on external light, not the circadian rhythm.#Studios #effects #light #sleep #circadianrhythms #researchers #Technology #scientists #biology #ymasciencia

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