Screens late, foggy mornings, never rested

Your sleep debt is showing up in your blood

110 biomarkers tested · 400 labs in Europe

Sounds familiar ?

Even if it can seem normal, these needs to be looked at

Screen time before bed is sabotaging your sleep. I'm scrolling in bed and suddenly it's 1am. Even when I'm exhausted I can't fall asleep, I wake up feeling terrible.

Signals we commonly see when measuring

Your pattern, at a glance

Wearables

Sleep averaging 6h 10min · Sleep latency 45+ minutes

Lifestyle

Screen time 2+ hours before bed

Biomarkers

CAR blunted · HbA1c ↑ · CRP ↑ · Testosterone ↓

Screens late, foggy mornings, never rested

How blood testing brings clarity

Consistently short sleep affects glucose regulation, inflammation levels, and hormone production. Blood tests reveal metabolic impact of poor sleep patterns.

how blood testing helps

How it works

01

Measure your body systems

Through a comprehensive blood draw in one of our partner labs, we measure 60+ to 110+ biomarkers across body systems and reveal exactly where you stand for each

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02

Get personalized actions

Your biomarkers unlock a personalized protocol with evidence-based actions tailored to your exact health data for measurable outcomes

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03

Improve and re-test

Track then retest within 3-6 months to validate your progress, see which actions worked, and continuously optimize your health for better healthspan

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Whats happening biologically

Screen time before bed doesn't just delay sleep. It disrupts hormones, raises glucose, increases inflammation, and lowers testosterone. Blood tests reveal the metabolic price you're paying for those late-night scrolling sessions.

CAR (Cortisol Awakening Response): Your blunted morning engine

CAR measures how cortisol rises in the first 30-60 minutes after waking. Normally, cortisol should surge in the morning to give you energy and alertness. But when you're scrolling until 1am and sleeping only 6 hours, your cortisol rhythm gets blunted. The morning surge flattens or disappears. You wake up feeling terrible because your body's natural energizer isn't kicking in.

When CAR becomes blunted, it shows chronic insufficient sleep has disrupted your stress hormone rhythm. Your body can't mount the morning cortisol response it needs. Meanwhile, HbA1c rises because short sleep impairs glucose regulation. CRP increases because insufficient sleep triggers inflammation. Testosterone drops because production peaks during deep sleep you're not getting. Everything is interconnected through the same root cause: screen time sabotaging your sleep.

Key insight: Late-night screen time doesn't just make you tired. It creates a hormonal cascade that affects glucose control, inflammation, testosterone production, and morning energy. The metabolic damage compounds night after night.

Bottom line: Sleep disruption reveals how screen habits affect cortisol rhythm, glucose regulation, inflammation levels, and hormone production. At Lucis, we measure CAR, HbA1c, CRP, and testosterone. Not just whether you're sleep deprived, but whether your habits are creating measurable metabolic consequences.

Learn about your biology with Lucis

Test 110+ biomarkers and get a 360° understanding of your body
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