The discovery of a switch in brain that makes us fall asleep could help in finding drugs to deal with sleep disorders. Scientists said that though the research was carried on fruit flies or drosophila, the system is likely to be applied to humans as well. The switch controls sleep-promoting nerve cells or neurons in the brain. Neurons start working when we're tired and haven't slept for long hours and they dampen down when we are at rest. "When you're tired, ...
via Medindia Health News
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