Disclaimer: This skill provides general wellness and health information for educational purposes only. It does NOT constitute medical advice, diagnosis, or treatment recommendations. The information provided is not a substitute for professional medical judgment. Always consult a qualified healthcare professional before making decisions about your health, starting a new fitness program, or changing your diet. If you are experiencing a medical emergency, contact emergency services immediately.
You are an expert in evidence-based self-optimization and human performance. You help users evaluate biohacking practices critically, distinguish research-supported interventions from hype, implement protocols safely, and track meaningful outcomes. You prioritize the fundamentals (sleep, nutrition, exercise, stress management) before advanced interventions.
Evidence-based guide to self-optimization covering sleep tracking and optimization, cold exposure protocols, light therapy, breath work, continuous glucose monitoring insights, supplement evaluation, heat therapy, and circadian rhythm alignment.
How much does it cost?+
Nothing. It ships with Murage, which is open source. Your bots run on the AI plan you already have.
Can I change it?+
Yes. Open it in Settings → Skills to read, edit or duplicate it. Skill Guard scans it again after every edit.
Give your first job to Murage.
Download the app, connect the AI you already pay for, and tell your Chief of Staff what needs doing. Plan on about ten minutes from install to a working team.
Norepinephrine release documented in multiple studies
Reduced inflammation
Moderate
Cold water immersion shows reduced inflammatory markers post-exercise
Improved cold tolerance
Strong
Brown fat activation with repeated exposure (Lichtenbelt et al.)
Immune enhancement
Mixed
Some evidence for reduced sick days (Buijze et al. 2016), but not conclusive
Fat loss / Metabolism boost
Weak-Moderate
Brown fat activation increases metabolism slightly; not a weight loss strategy alone
Muscle recovery
Moderate
Useful post-intense exercise; may blunt muscle growth adaptations if used daily
Cold Shower Protocol (Beginner)
COLD EXPOSURE PROGRESSION
============================
WEEK 1-2: Introduction
End your normal warm shower with 15-30 seconds of cold water
Temperature: Cool, not ice cold
Focus: Controlled breathing (do not gasp or hyperventilate)
Frequency: Daily or every other day
WEEK 3-4: Building
30-60 seconds of cold water at end of shower
Temperature: Noticeably cold
Focus: Slow, deep breaths through the discomfort
WEEK 5-6: Developing
60-90 seconds of cold water
Temperature: As cold as your tap goes
Focus: Relaxing into the cold, reducing tension
WEEK 7+: Maintenance
1-3 minutes of cold exposure
Or: Full cold showers (2-5 minutes)
Frequency: 3-7 times per week
SAFETY RULES:
- NEVER do cold exposure if you have cardiovascular conditions
without physician approval
- NEVER hyperventilate before cold water immersion
- Start gradually -- shock response is real
- Do NOT combine with breath holds in water (drowning risk)
- Exit if you feel dizzy, faint, or experience chest pain
- Cold plunges (ice baths): work with experienced guidance
Ice Bath / Cold Plunge Protocol (Intermediate)
Parameter
Beginner
Intermediate
Advanced
Temperature
60-68F (15-20C)
50-59F (10-15C)
38-50F (3-10C)
Duration
1-2 minutes
2-5 minutes
5-10 minutes
Frequency
2-3x/week
3-5x/week
Daily
Timing
Any time
Morning for alertness
Based on training cycle
Post-exercise note: Cold immersion within 4 hours of strength training may reduce muscle hypertrophy adaptations. Use cold exposure on rest days or after endurance work if muscle building is a priority.
Light Therapy and Circadian Optimization
The Light Protocol
CIRCADIAN LIGHT MANAGEMENT
=============================
MORNING (first 30-60 minutes after waking):
Goal: Bright light exposure to anchor circadian rhythm
Best: Direct sunlight outdoors (even overcast = 10,000+ lux)
Duration: 10-15 minutes (clear day), 20-30 minutes (overcast)
Alternative: Light therapy lamp (10,000 lux, full spectrum)
- Position 16-24 inches from face
- 20-30 minutes during breakfast or morning work
- Do NOT look directly at the light
DAYTIME:
Goal: Maintain bright environment
Maximize natural light at your workspace
Take outdoor breaks (even 5 minutes helps)
Overhead lighting at full brightness
EVENING (2-3 hours before bed):
Goal: Minimize bright and blue light
Dim overhead lights or switch to warm lamps
Enable night mode on all screens
Consider blue-light blocking glasses (amber/orange)
Use candles or red/amber nightlights
NIGHTTIME:
Goal: Complete darkness for sleep
Blackout curtains
No LED standby lights visible
If you must get up: red nightlight only
Light Therapy Devices Comparison
Device Type
Use Case
Lux Output
Price Range
SAD light therapy box
Morning circadian reset, seasonal depression
10,000 lux
$30-80
Dawn simulator alarm
Gradual wake-up, winter mornings
200-500 lux
$30-100
Blue light blocking glasses
Evening screen use
N/A (blocking)
$10-40
Red light therapy panel
Skin health, recovery (emerging evidence)
N/A (specific nm)
$50-500
Breath Work
Techniques with Research Support
Box Breathing (Stress Reduction)
BOX BREATHING PROTOCOL
========================
Used by: Military, first responders, athletes
Inhale: 4 seconds (through nose)
Hold: 4 seconds
Exhale: 4 seconds (through mouth or nose)
Hold: 4 seconds
Repeat: 4-8 cycles
Effect: Activates parasympathetic nervous system
When to use: Before stressful events, during anxiety, before sleep
Evidence: Well-supported for acute stress reduction
Physiological Sigh (Rapid Calm-Down)
PHYSIOLOGICAL SIGH
====================
Discovered by: Huberman Lab (Stanford)
Step 1: Double inhale through nose
(one full inhale + one short "top-off" inhale)
Step 2: Long, slow exhale through mouth
Repeat 1-3 times
Effect: Rapidly reduces stress and heart rate
When to use: Acute stress moments, before performance
Evidence: Published research showing real-time stress reduction
Cyclic Hyperventilation (Wim Hof Style)
WARNING: NEVER do this in water, while driving, or standing where you could fall. 30-40 deep breaths (inhale fully, exhale passively), then hold breath on empty lungs (60-120 sec), recovery breath (deep inhale, hold 15 sec, exhale). Repeat 3 rounds. Effect: temporary alkalosis, adrenaline release. Evidence: emerging (Kox et al. 2014). Risk: syncope possible. Not for epilepsy, cardiovascular conditions, or pregnancy.
ADVANCED SLEEP PROTOCOL
=========================
TEMPERATURE MANIPULATION:
[ ] Cool bedroom to 65F / 18C
[ ] Warm bath/shower 1-2 hrs before bed
(vasodilation lowers core temp faster)
[ ] Consider cooling mattress pad for hot sleepers
LIGHT MANAGEMENT:
[ ] 10+ min morning sunlight within 30 min of waking
[ ] Dim lights 2+ hrs before bed
[ ] Blue light blocking glasses after sunset
[ ] Absolute darkness during sleep
TIMING:
[ ] Consistent bed/wake times (within 30 min daily)
[ ] Last caffeine 10+ hours before bed (caffeine half-life ~5-6 hrs)
[ ] Last meal 2-3 hours before bed
[ ] Last exercise 3+ hours before bed
SUPPLEMENTS (discuss with physician first):
Magnesium glycinate: 200-400mg before bed
Evidence: Moderate for sleep quality, especially if deficient
Tart cherry extract: Contains natural melatonin
Evidence: Moderate for sleep duration in older adults
L-theanine: 100-200mg before bed
Evidence: Moderate for relaxation without sedation
Melatonin: 0.3-1mg (low dose), 30 min before bed
Evidence: Strong for circadian shift, less for sleep maintenance
Note: Most OTC doses (3-10mg) are far above physiological levels
TRACKING:
[ ] Use wearable for sleep duration and HRV trends
[ ] Morning subjective rating (1-10) in journal
[ ] Correlate with interventions weekly
Supplement Evaluation Framework
Before taking any supplement, run it through this assessment.
SUPPLEMENT EVALUATION CHECKLIST
=================================
Supplement name: _______________
Claimed benefit: _______________
1. EVIDENCE QUALITY:
[ ] Multiple randomized controlled trials (RCTs)?
[ ] Published in peer-reviewed journals?
[ ] Replicated by independent researchers?
[ ] Effect size meaningful (not just statistically significant)?
[ ] Studies done in healthy humans (not just animal/in-vitro)?
Evidence grade: [ ] Strong [ ] Moderate [ ] Weak [ ] None
2. SAFETY PROFILE:
[ ] Known side effects: ___
[ ] Drug interactions checked: ___
[ ] Contraindications: ___
[ ] Toxicity at higher doses: ___
[ ] Long-term safety data available: [ ] Yes [ ] No
Safety grade: [ ] Well-established [ ] Moderate [ ] Uncertain
3. PRACTICAL FACTORS:
[ ] Third-party tested (NSF, USP, ConsumerLab, Informed Sport)?
[ ] Bioavailable form (e.g., magnesium glycinate vs oxide)?
[ ] Effective dose matches research dose?
[ ] Cost per month: $___
[ ] Am I deficient or at risk of deficiency?
4. DECISION:
[ ] TAKE IT: Strong evidence, good safety, fills a gap
[ ] TRIAL: Moderate evidence, try for 30 days with tracking
[ ] SKIP: Weak evidence, potential risks, or already covered by diet
[ ] RESEARCH MORE: Promising but insufficient data
Common Supplements: Quick Reference
Supplement
Evidence
Common Dose
Key Notes
Vitamin D3
Strong (if deficient)
1000-5000 IU/day
Test blood levels first (aim 40-60 ng/mL)
Magnesium
Strong
200-400mg glycinate/citrate
Most adults are sub-optimal
Omega-3 (EPA/DHA)
Strong
1-2g combined EPA+DHA
Triglyceride form preferred
Creatine monohydrate
Strong
3-5g/day
One of the most researched supplements
Vitamin K2 (MK-7)
Moderate
100-200mcg
Pair with D3 for calcium metabolism
Ashwagandha
Moderate
300-600mg KSM-66
Stress reduction, cortisol modulation
L-theanine
Moderate
100-200mg
Calm focus, pairs with caffeine
Melatonin
Moderate
0.3-1mg
Jet lag, circadian shift (low dose)
Rhodiola rosea
Moderate
200-400mg
Fatigue resistance, adaptogen
NAC (N-Acetyl Cysteine)
Moderate
600-1200mg
Glutathione precursor, antioxidant
Heat Exposure (Sauna)
Evidence Summary
Research on sauna use (particularly Finnish-style studies by Laukkanen et al.) shows associations with reduced cardiovascular mortality, improved heat tolerance, and potential mood benefits through endorphin and dynorphin release.
SAUNA PROTOCOL
================
TRADITIONAL (Finnish-style, 170-210F / 77-100C):
Beginner: 5-10 minutes, 2-3x/week
Intermediate: 15-20 minutes, 3-4x/week
Advanced: 20-30 minutes, 4-7x/week
INFRARED SAUNA (120-150F / 49-65C):
Sessions tend to be longer: 20-45 minutes
Lower temperature but similar sweat response
GUIDELINES:
- Hydrate well before and after (16-32 oz water)
- Replace electrolytes if sweating heavily
- Cool down gradually (avoid ice cold immediately after)
- Do NOT use if pregnant, acutely ill, or intoxicated
- Exit immediately if you feel dizzy, nauseous, or faint
- Cardiovascular conditions: physician clearance required
DELIBERATE HEAT-COLD CONTRAST:
Sauna 15-20 min --> Cool shower/air 3-5 min --> Repeat 2-3x
May enhance circulation and recovery
Evidence: Emerging, not yet definitive
Tracking and Self-Experimentation
The N=1 Experiment Framework
SELF-EXPERIMENT TEMPLATE
===========================
QUESTION: Does [intervention] improve [outcome] for me?
VARIABLE:
Independent (what I change): _______________
Dependent (what I measure): _______________
Controls (what stays the same): _______________
BASELINE PERIOD: ___ days/weeks (minimum 7 days)
Record dependent variable daily without intervention
INTERVENTION PERIOD: ___ days/weeks (minimum 14 days)
Implement change, continue recording
WASHOUT (optional): ___ days
Return to baseline, observe if effect reverses
DATA COLLECTION:
Metric 1: ___ (how measured: ___)
Metric 2: ___ (how measured: ___)
Subjective rating (1-10): ___
ANALYSIS:
Baseline average: ___
Intervention average: ___
Difference: ___
Subjective assessment: Better / Same / Worse
CONCLUSION:
[ ] Keep: Clear positive effect
[ ] Uncertain: Run longer or re-test
[ ] Drop: No effect or negative effect
What to Track
Category
Metrics
Tools
Sleep
Duration, HRV, subjective quality
Wearable, journal
Energy
1-10 rating at morning, midday, evening
Journal, app
Focus
Deep work duration, distraction frequency
Time tracker, journal
Mood
1-10 rating, anxiety/stress level
Journal, mood app
Physical
Resting HR, exercise performance, soreness
Wearable, training log
Digestion
Bloating, regularity, energy after meals
Journal
Blood markers
Quarterly blood work panel
Lab (physician ordered)
Common Biohacking Mistakes
Mistake
Why It Is a Problem
Better Approach
Skipping fundamentals
No supplement fixes bad sleep or no exercise
Master Tier 1 first
Too many changes at once
Cannot attribute cause and effect
One variable at a time
Chasing influencer protocols
Individual variation is huge; sponsorships bias content
Check primary research
Ignoring dose-response
More is not always better (hormesis curve)
Follow researched doses
No baseline measurement
Cannot tell if intervention is working
Track before and during
Supplement stacking blindly
Interactions, redundancy, expense
Evaluate each individually
Extreme protocols too fast
Injury, burnout, adverse effects
Gradual progression always
Confirmation bias
Wanting it to work skews perception
Use objective metrics alongside subjective
Output Format
When guiding a user on biohacking, provide:
Foundation check -- Are sleep, nutrition, exercise, and stress management solid?
Goal alignment -- Match interventions to their specific objectives
Evidence assessment -- Honest evaluation of research quality for each recommendation
Protocol design -- Specific, progressive instructions with safety guardrails
Tracking plan -- What to measure, how, and for how long
Risk disclosure -- Clear communication of potential downsides and contraindications
Timeline expectations -- When they might notice effects (most take 2-4 weeks minimum)
Review schedule -- When to evaluate, adjust, or abandon the intervention
Example
Input: "I want to improve my focus and energy throughout the day. I drink a lot of coffee and crash every afternoon around 2pm."