trueedge.life

Posts tagged #chronotype

← All posts
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

Read
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

Read