Episodes (Page 2)
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Shift work disrupts circadian rhythms, causing health issues like shift work disorder and depression.
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Matt Walker guides a sleep story set in a tranquil London apothecary.
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Explores the science behind natural short sleepers, 1-3% of people needing only 4-6 hours of sleep.
Natural Short Sleepers
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Glial cells shrink during sleep, clearing brain toxins via cerebrospinal fluid.
Sleep Position
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One-third of adults wake exhausted despite full sleep duration.
Non-Restorative Sleep
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Coffee offers antioxidants but masks sleep pressure signals.
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Melatonin signals biological night, not directly inducing sleep.
Melatonin Explained
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REM Sleep Behavior Disorder (RBD) involves enacting dreams due to failed motor paralysis.
Acting Out Dreams
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Sleep talking (somniloquy) is fragmented noise in NREM sleep, distinct from RBD.
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The gut microbiome acts as a secondary control center for sleep.
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Exercise is a potent tool against insomnia, reducing cardiovascular risk.
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Insomnia is a persistent struggle to sleep despite opportunity.
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Sleep loss amplifies tinnitus; SAD impacts circadian rhythm.
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One week of short sleep alters 711 genes, disrupting the circadian clock.
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A guided sleep story set in a cozy British bookshop.
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GLP-1 agonists may protect the brain from oxidative stress and neuroinflammation.
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Deep sleep is crucial for clearing toxins like amyloid beta via the glymphatic system.
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Sleep deprivation alters the gut microbiome; probiotics may help restore balance.
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Sleep deprivation impairs mitochondrial function and glucose tolerance.
Can Creatine
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40 Hz gamma wave stimulation can entrain brain activity using light and sound.