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Energy & Recovery

Stress isn't the enemy — chronicity is

The hormesis curve and why acute and chronic stress look identical at the cellular level

A hard workout, a cold plunge, and a difficult problem trigger almost the same physiological response as chronic financial worry. What separates beneficial from damaging is not the magnitude of the stressor but its duration and the recovery that follows it.

#stress #hormesis #recovery #hrv #neuroscience #sleep

By Mick

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Energy & Recovery

Sleep is upstream of almost everything

What the evidence supports, what it doesn't, and where the popular discourse has run ahead of the science

The case for treating sleep as a foundational lever is one of the strongest signals in physiology. The case for tracking your REM percentages on a wrist device is considerably weaker. The distinction matters.

#sleep #recovery #circadian #flow #neuroscience #hrv #caffeine #light

By Mick

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Energy & Recovery

The blue light glasses question, examined

Lab findings, RCT results, and where the popular advice goes wrong

The blue light glasses market is large and growing. The premise — that filtering short-wavelength evening light prevents melatonin suppression and protects sleep — is half-supported by the laboratory research and contradicted by the real-world trials. The science is real. The product is mostly not what the science is about.

#sleep #circadian #light #contested #evidence #chronotype

By Mick

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Field Notes

Does TV really "eat your dopamine"?

What the neuroscience says about passive consumption and reward, and where the slogan overreaches

The claim that television "depletes dopamine" has spread from Lembke and Huberman into general health discourse. The underlying neuroscience does not say what the popular version claims it says. The behavioural concerns about passive consumption are real, and largely independent of dopamine.

#contested #neuroscience #habits #attention #evidence #social

By Mick

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Energy & Recovery

Chronotype and the personal sleep schedule

Why the eight-hour mandate misses what the research actually says

The eight-hour sleep rule, taken as a universal prescription, papers over a finding that is more useful to know: people are biologically different in their sleep timing. The chronotype literature has been documenting this for four decades.

#sleep #circadian #evidence #light #chronotype

By Mick

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