Category: Companions
Sleep and Hunger
If you slept poorly, intense cravings aren’t a mystery—they’re a predictable hormonal consequence. Sleep deprivation increases ghrelin by 28%, decreases leptin by 18%, and rewires your brain’s reward system to find high-calorie foods more appealing. You’re not weak; you’re chemically primed to crave. This companion explores the hormonal shift from sleep loss, how the brain changes (prefrontal cortex dims while reward centers amplify), why even mild sleep debt counts, and the troubleshooting move when cravings spike for no apparent reason. (3 min read)
The Movie Theater
Movie theaters are environments optimized to sell popcorn—pervasive scent, social normality, dark distracted eating, ridiculous sizing. The “small” is often 10+ cups. This companion explores the movie theater trap, the decision framework (do you actually want this or is it just habit?), what to do if you choose not to buy (nothing is fine—you’ll survive two hours), and how to make it deliberate if you do buy: smallest size, share it, skip the butter, stop when it’s gone. (4 min read)
Willpower’s Limit
Willpower depletes with use. Every decision you make, every temptation you resist, draws from the same finite pool—which is nearly empty by evening, exactly when you face the most tempting foods. Research on ego depletion shows that resisting cookies on one task impairs performance on subsequent self-control tasks. This companion explores the resource model, why evenings are vulnerable, why willpower alone fails long-term, and what works better: environment design, habits, and identity change. (3 min read)
The Late-Night Pull
The 10 p.m. pull is almost never physical hunger—you ate dinner, your body has fuel. What’s happening is habit, boredom, tiredness masquerading as hunger, stress seeking an outlet, or simply unstructured time. The first step is identifying which one; the second is responding to the actual need. This companion explores why evenings are vulnerable (willpower depletion, habit loops, fatigue signals), a diagnostic for the moment, and the “kitchen is closed” strategy for removing the decision entirely. (3 min read)
The Insulin Cycle
Every time you eat, insulin rises and your body enters storage mode. Constant snacking keeps insulin chronically elevated—your body never shifts into fat-burning mode. Research shows people with mild post-meal blood sugar dips snack six times more frequently, creating a self-perpetuating hormonal loop. This companion explores the storage-burning switch, the snacking trap, why “healthy” snacks don’t fix the pattern, and the alternative of eating less often rather than less food. (3 min read)
The Plateau Question
When weight loss stalls despite consistent eating, examine sleep, stress, and movement before touching your food intake. Poor sleep disrupts hunger hormones; chronic stress elevates cortisol, promoting fat storage; and NEAT (non-exercise activity) affects total energy expenditure more than most realize—lean individuals move about 2.5 hours more per day than obese individuals. This companion explores each factor in depth, the research behind them, and the three-question check to run before adjusting your diet. (4 min read)
Sugar’s Double Hit
Table sugar is half glucose, half fructose—and your body handles them completely differently. Glucose goes everywhere, regulated by insulin. Fructose goes primarily to the liver, bypasses insulin, and readily converts to fat. Studies show fructose rapidly increases liver fat when substituted for other carbohydrates at equal calories. This companion explores what glucose does, what fructose does, why the combination is worse than either alone, and why whole fruit is metabolically different from added sugar. (4 min read)
The 3pm Urge
The 3pm urge isn’t about food—it’s about stimulation. Boredom is an aversive state, and eating is a reliable way to make it stop temporarily. Research shows boredom triggers more non-hungry eating than anxiety or sadness, and bored people specifically gravitate toward unhealthy snacks for the excitement, not nutrition. This companion explores why boredom drives eating, the afternoon vulnerability (circadian dip, decision fatigue, habit loops), what to do instead of eating, and the diagnostic question that separates hunger from situational craving. (3 min read)
The Peanut Butter Jar
Most commercial peanut butters contain added sugar and hydrogenated oils— turning a whole food into a processed product. Research by Mozaffarian linked trans fats to cardiovascular disease. Monteiro’s work on ultra-processed foods applies directly: the ingredients should be “peanuts” and possibly “salt.” Nothing else is necessary. Sugar makes it sweeter; hydrogenated oils prevent separation but add trans fats. This companion covers the ingredients check, why extras are added, the oil separation “problem,” calorie reality, other nut butters, and making the switch. (4 min read)
Ancestor Test
If the answer to either question is no, you’re probably eating something your body wasn’t designed to process regularly. This isn’t about romanticizing the past—it’s a quick heuristic for identifying modern foods that exploit your biology. Your great-great-grandmother’s diet wasn’t perfect, but it didn’t include engineered products designed to override your satiety signals. This companion explores the logic of the test, what passes and what fails, the daily access question, the evolutionary mismatch, and what this doesn’t mean. (5 min read)