Episodes

How gut microbiome is affected by circadian rhythm and sleep deprivation | Matthew Walker

Posted on July 12th 2019 (over 2 years)

Dr. Matthew Walker discusses the role that sleep plays in modulating the gut microbiome.

Sleep deprivation leads to a drastic decrease in learning | Matthew Walker

Posted on July 12th 2019 (over 2 years)

Dr. Matthew Walker describes the role that sleep plays in learning and new memory formation.

Why do we selectively remember dreams? | Matthew Walker

Posted on July 12th 2019 (over 2 years)

Dr. Matthew Walker posits his theory that dreams are not forgotten; rather, they are merely inaccessible and may influence our wakeful state.

Anxiety, cortisol and meditation and their effects on insomnia | Matthew Walker

Posted on July 12th 2019 (over 2 years)

Dr. Matthew Walker discusses how anxiety affects sleep and identifies ways to manage that stress to improve sleep.

How to improve sleep through exercise-induced acute inflammation and heat induced immune response | Matthew Walker

Posted on July 12th 2019 (over 2 years)

Dr. Matthew Walker explains how sleep and sauna may induce sleep through their short-term pro-inflammatory effects.

Evidence shows blue light from screens is anxiogenic and detrimental to healthy sleep | Matthew Walker

Posted on July 12th 2019 (over 2 years)

Dr. Matthew Walker describes the negative effects of blue light exposure on melatonin production and sleep.

Lack of sleep linked to glucose insensitivity and pre-diabetes | Matthew Walker

Posted on July 12th 2019 (over 2 years)

Dr. Matthew Walker explains how sleep deprivation impairs glucose metabolism, increasing the risk of diabetes and metabolic dysfunction.

APOE4 allele linked with impairment of deep sleep and deadly sleep apnea | Matthew Walker

Posted on July 12th 2019 (over 2 years)

Dr. Matthew Walker describes the dual risk of carrying the APOE4 allele and having sleep apnea.

Chronotypes: Your natural propensity to be an early riser or night owl | Matthew Walker

Posted on July 12th 2019 (over 2 years)

Dr. Matthew Walker describes the different chronotypes and the risks associated with adopting a sleep pattern that is contrary to our natural type.

Lack of deep sleep linked with amyloid-beta build up in Alzheimer's disease | Matthew Walker

Posted on July 12th 2019 (over 2 years)

Dr. Matthew Walker describes the role that sleep plays in modulating the accumulation of amyloid-beta accumulation in the brain.

Alcohol and other factors that negatively affect sleep | Matthew Walker

Posted on July 12th 2019 (over 2 years)

Dr. Matthew Walker describes critical factors that influence healthy sleep patterns, including the intake of caffeine, alcohol, and other substances.

REM sleep vs. deep, slow-wave sleep and their importance for cardiovascular and emotional health | Matthew Walker

Posted on July 12th 2019 (over 2 years)

Dr. Matthew Walker describes how the different stages of sleep influence emotional and cardiovascular health.

Sleeping pills correlated with increased cancer risk and decreased brain plasticity | Matthew Walker

Posted on July 12th 2019 (over 2 years)

Dr. Matthew Walker discusses the harmful effects of sleeping pills on learning and memory formation.

Temperature triggers sleep and influences sleep depth | Matthew Walker

Posted on July 12th 2019 (over 2 years)

Dr. Matthew Walker describes the role of temperature in augmenting sleep.

The importance of early-day light for improved sleep | Matthew Walker

Posted on July 12th 2019 (over 2 years)

Dr. Matthew Walker explains how altering the timing and duration of daytime light exposure influences sleep.

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