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Science of sleep: Why a good night’s rest gets harder with age
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Science of sleep: Why a good night’s rest gets harder with age

Credit: Pixabay/CC0 Public DomainIt’s well known that getting a good night’s sleep becomes more difficult as we age, but the underlying biology for why this happens has remained poorly understood. A team of US scientists has now identified how the brain circuitry involved in regulating sleepfulness and wakefulness degrades over time in mice, which they say paves...