Sleeping under a dim light at night (10 lux light) may influence the brain function which is related to the cognition, finds Korean researchers based on fMRI analysis of 20 healthy male subjects exposed to zero, 5 and 10 lux light on different nights while sleeping in a sleep lab.

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Sleeping under a dim light at night (10 lux light) may influence the brain function which is related to the cognition, finds Korean researchers based on fMRI analysis of 20 healthy male subjects exposed to zero, 5 and 10 lux light on different nights while sleeping in a sleep lab.