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Start here

The decision you're learning to make

Light sets the clock

The clock gates the engine

Sleep, and the ageing clock

The recovery window, and Tom

Check yourself

Knowledge check: which lever first

Knowledge check: light's role

Knowledge check: grade the levers

Knowledge check: refer

What you can now do, and where it goes

What you can now do

Take it with you

Your light-and-rhythm card

References

Segment 4.3 of Module 4, light, sleep and rhythm: apply the circadian timing levers that carry real human evidence, mapped to the clock-hub biology, graded honestly, with sleep disorders referred. Built direct.

Module 4 - Lifestyle First (Segment 4.3: Light, Sleep and Rhythm)

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