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Middle-of-the-night awakenings are common for many people, and how we deal with this habit is key to getting a good sleep, says sleep expert Michael Grandner, a psychologist at the Center for Sleep and Circadian Neurobiology at the University of Pennsylvania.
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Scoop.it!
Scientists at Duke will share a $14 million grant from DARPA to study biological clocks.
If scientists can isolate the genes, molecules and signals of human biological clocks, they could find ways to control and repair them if they are broken or damaged. A new DARPA grant will bring together many leading experts on the cell cycle, the circadian clock, the metabolism of yeast, root growth in plants and pulsing processes in bacteria, to deconstruct the molecular and genetic rhythms that keep these organisms alive. These scientists have four years to investigate the diverse rhythms of life.
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Researchers have reported the discovery of a crucial part of the biological clock in the brain: wiring that sets its accuracy to within a few minutes out of the 1440 minutes per day. This wiring uses the GABA (γ-amino-butyric acid) neurotransmitter to connect the individual cells of the biological clock in a fast network that changes strength with time of day.
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