HAVIT Blog

Science-backed guides on habits, sleep, nutrition, and movement.

LatestThe GLP-1 Habit Report 2026: What 1,090 Users Reveal About RoutinesAcross 1,090 self-identified GLP-1 users on HAVIT, people on GLP-1 medications track wellness habits *more consistently* than the general user base — and they log meals, water, and weight most. But one gap stands out: they get plenty of protein per meal and far too little fiber, which maps directly onto the most common GLP-1 complaint, constipation.

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How to Track Food and Symptom Correlations Accurately: A 2026 Elimination Protocol

Accurate food-symptom tracking requires logging timing, portions, and context—not just what you ate—with a minimum 72-hour lookback window.

Tart Cherry Juice for Sleep: Why the 90-Minute Window Before Bed Changes Everything

Drinking 8oz of tart cherry juice 60-90 minutes before bed increases sleep time by 84 minutes and boosts melatonin bioavailability by 147%.

Telomere Length Preservation: What Actually Works According to 47 Clinical Trials

Mediterranean diet and consistent moderate exercise show the strongest evidence for telomere preservation, while most supplements fail to deliver on promises.

Why You Wake Up Drenched: The Science of Night Sweats and Sleep Temperature Regulation

Night sweats follow predictable patterns based on their cause, and identifying yours is the key to finally sleeping dry.

Tempo Training and Time Under Tension: Does Slowing Down Actually Build More Muscle?

Tempo manipulation can enhance hypertrophy by 12-18% when total time under tension reaches 40-70 seconds per set, but slower isn't always better.

The Fresh Start Effect: Why Mondays and Birthdays Make You 33% More Likely to Keep Your Goals

Strategic timing of goals around temporal landmarks like Mondays, birthdays, and new months can increase commitment rates by up to 33% through psychological distancing from past failures.

Temptation Bundling: The Habit Pairing Strategy That Makes Discipline Optional

Pair activities you love with habits you avoid—research shows this simple bundling technique can increase follow-through by 29-51% without relying on willpower.

Temptation Bundling: The Instant Gratification Strategy That Actually Works

Temptation bundling lets you enjoy guilty pleasures only while doing healthy behaviors, turning willpower battles into automatic wins.

Thermic Effect of Food: Why Protein Burns 10x More Calories Than Fat During Digestion

Your body burns 20-30% of protein calories during digestion versus just 0-3% for fat—a difference that can add up to 100+ extra calories burned daily.

The Thermic Effect of Food: Why Protein Burns More Calories During Digestion

Protein costs your body 20-30% of its calories to digest, compared to just 0-3% for fats—making macronutrient choice a hidden lever for metabolism.

Your Thermoregulation Type: Why Generic Heat Advice Fails Most Athletes

Your body's unique heat signature—sweat rate, core temp rise speed, and cooling efficiency—should dictate your hydration and cooling strategy, not generic guidelines.

Thesis Deadline All-Nighter Damage Control: A Recovery Strategy That Actually Works

Strategic caffeine timing, 20-minute power naps, and a specific next-day recovery protocol can cut cognitive impairment from sleep deprivation by up to 40%.