Brain cells called astrocytes help to cause the urge to sleep that comes with prolonged wakefulness, according to a new study in mice. The cells release adenosine, a chemical known to have sleep-inducing effects that are inhibited by caffeine.
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Sleep Disorders: Warning Sign For Neurodegenerative Disease?
People with a sleep disorder that causes them to kick or cry out during their sleep may be at greater risk of developing dementia or Parkinson’s disease, according to a