HAVIT Blog
Science-backed guides on habits, sleep, nutrition, and movement.
All articles
Protecting Your First Sleep Cycle: Why Those Initial 90 Minutes Matter Most
Your first sleep cycle contains 40-50% of your nightly deep sleep—protect it by timing dinner, screens, and temperature precisely.
First Trimester Nausea Safe Exercise Options: Movement That Won't Make You Hurl
Strategic timing and specific gentle movements can help you stay active during first trimester nausea—the key is working with your symptom patterns, not against them.
Foam Rolling: What's Actually Happening When You Roll Out Those Knots
Foam rolling works primarily through your nervous system, not by physically breaking up tissue—and that changes how you should use it.
Foam Rolling Before Your Workout: What 47 Studies Actually Say About Performance
Pre-workout foam rolling improves flexibility without hurting strength, but keep it under 90 seconds per muscle group for best results.
The Complete Low FODMAP Elimination and Reintroduction Protocol for IBS: Your 8-Week Roadmap
A structured 8-week low FODMAP protocol can reduce IBS symptoms by 76%, but the reintroduction phase determines long-term success.
FODMAP Stacking: Why Your 'Safe' Foods Might Be Triggering Symptoms
Eating several low-FODMAP foods together can push total FODMAP intake past your tolerance threshold, causing symptoms even when each food alone seems safe.
Food Combination Glucose Response: A 14-Day CGM Pairing Experiment Protocol
A structured 14-day protocol to test which food pairing strategies actually flatten your personal glucose curves using CGM data.
How Inaccurate Is Calorie Tracking Without Weighing Food? The Hidden Math of Portion Estimation
Visual portion estimation typically leads to 30-50% calorie underreporting, but specific training techniques can reduce this error to under 15%.
Functional Dyspepsia Treatment in 2026: Why Your Gut and Brain Need Couples Therapy
Functional dyspepsia is a gut-brain communication disorder, not just a stomach problem—and treating both systems together works better than targeting either alone.
Stomach Pain But Tests Normal? Understanding Functional Dyspepsia in 2026
Functional dyspepsia causes real stomach pain even when tests show nothing wrong—it's a gut-brain communication problem, not imaginary, and responds to targeted treatments.
Future Self Continuity and Health Decisions: Why Strangers Don't Exercise
Feeling connected to your future self predicts better health decisions—and you can strengthen this bond with specific psychological techniques.
Future Self Continuity: Why Your Brain Treats 70-Year-Old You Like a Stranger
Feeling emotionally connected to your future self predicts better health decisions today, and simple visualization techniques can strengthen that bond.
