Episodes (Page 2)
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Explores 'revenge bedtime procrastination' and its causes.
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Humans evolved for sound-filled sleep, not silence.
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Morning sunlight before 10 a.m. anchors your internal clock.
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Whole-body MRI screening offers proactive health insights beyond traditional diagnostics.
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Matt defines doomscrolling, linking online habits to poor sleep and mental health.
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Binaural beats are brain-generated "ghost tones" from differing ear frequencies.
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Ancient practice of sleeping with pets, 12,000 years old, for warmth and companionship.
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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.