Master Clock: Habits for Everyday Energy
Chapter 1

Morning light: synchronizing your master clock

Chapter 2

Tactical hydration: the fluid-energy connection

Chapter 3

Power naps: the NASA-approved midday reset

Chapter 4

Movement snacks: powering up without a workout

Chapter 5

Strategic eating: flattening the glucose roller coaster

Chapter 6

Forest bathing: plugging into nature's battery

YOUR GOAL

Master of The energy cheat code

Ch 1 · Morning light: synchronizing your master clock
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thabo The unit of lux measures the intensity of environmental light

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thabo Cortisol and Melatonin Timing

Catch the light, catch the light / Sets your timer for the night.

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Rest is prepared at the start of the day, not just at the end.

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thabo The suprachiasmatic nucleus controls the human biological clock.

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The master clock

thabo The suprachiasmatic nucleus in your hypothalamus relies on light to regulate cortisol and melatonin, syncing your 24-hour circadian rhythm.

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The power of lux

thabo Tracking light intensity in lux helps optimize simple habits for daily energy.

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Rise and Glow
BETA

thabo Sort daily habits to discover how six simple changes boost your everyday energy.

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Fun Fact

Morning eye design: Your eyes contain specialized cells that only detect daytime blue light, completely separate from the cells you use to actually see the world.

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Glossary
suprachiasmatic nucleus (noun)
A small region of the brain's hypothalamus that regulates circadian rhythms. This hypothalamic region is synchronized by thirty minutes of early daylight or a 10,000-lux lamp.

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Gossip

What is your favorite way to get morning sunlight?

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Quiz

Where in the brain is the suprachiasmatic nucleus located?

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thabo Morning sunlight controls the daily timing of cortisol and melatonin

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Quiz

What is the name of the brain's master clock that regulates our daily sleep-wake cycle?

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Quiz

What unit of measurement is used to determine the intensity or brightness of light?

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Quiz

On a typical cloudy morning, outdoor light provides approximately how many lux?

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Quiz

Which light-sensitive photopigment is found in the eye's specialized ganglion cells that sync our circadian rhythm?

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Quiz

Which specific color wavelength of light are melanopsin-containing cells most sensitive to?

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Quiz

Approximately how many hours after morning light exposure does the brain typically begin releasing melatonin?

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Quiz

What is the name of the hormone that naturally spikes in the morning to promote alertness?

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