Working with Your Hormones
Learn how your daily hormones govern energy, appetite, and mood, and discover practical levers to stabilize your system. Move past generic wellness advice to actively read your physiological signals and support long-term equilibrium.
Like Duolingo, but for Working with Your Hormones. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
24 levels across 4 sections, about 48 minutes end to end, roughly 10 days at five minutes a day. It moves through Daily Levers for Energy and Sleep, Decoding Daily Signals: Hunger and Stress, Adapting to Physical Demands and Cyclical Shifts, and The Equilibrium Engine: Feedback and Clearance. It assumes you already know the basics.
Free forever · No credit card · iPhone & Android

Key ideas in Working with Your Hormones
- Outdoor morning sunlight delivers 10,000+ lux, far exceeding standard indoor bulb intensities.
- A steep morning cortisol spike triggers a biological timer that prompts melatonin release ~12-14 hours later.
- Indoor lighting usually lacks the lux intensity needed to fully stimulate melanopsin-containing retinal cells.
- Delaying caffeine 60-90 minutes lets endogenous cortisol peak naturally without artificial disruption.
- Caffeine blocks adenosine receptors rather than clearing lingering waking adenosine molecules.
- Residual adenosine binds rapidly once caffeine metabolizes, leading to an exaggerated afternoon energy crash.
- Elevating core body temperature acts as a non-photic synchronizer for peripheral circadian clocks.
- Physical muscle contraction accelerates the systemic sympathetic surge and adrenal hormone secretion.
- Movement cues adrenal activity far more effectively than low-intensity indoor artificial lighting alone.
- Late-afternoon sunlight features a distinct low-solar-angle spectral composition with shifted wavelengths.
- Afternoon light recalibrates retinal ganglion cells to make evening pineal melatonin less vulnerable to disruption.
- Melatonin is not released immediately in afternoon light; the exposure merely preconditions its nighttime synthesis.
- Short-wavelength blue light directly signals the pineal gland to arrest melatonin production.
- Melatonin suppression delays the onset of restorative, deep slow-wave non-REM sleep.
- Long-wavelength red light and low illuminance bypass melanopsin activation, maintaining hormonal balance.
- A high insulin-to-glucagon ratio locks energy into storage and blocks fat and glycogen breakdown
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo gives Working with Your Hormones the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.
Here's what playing it feels like
A real question from this course. Take your best guess.
How does getting a healthy morning cortisol surge help your sleep at night?
Get it right to open this lesson and 23 more in the app.
How to learn Working with Your Hormones, step by step
Go in order. 24 short levels across 4 sections, about 48 minutes in all, five minutes a day.
- 1
Daily Levers for Energy and Sleep
- Managing Light, Movement, and the Cortisol Spike
- Controlling the Insulin Curve for Stable Stamina
- 2
Decoding Daily Signals: Hunger and Stress
- Regulating Appetite with Ghrelin and Leptin
- Navigating the Acute Stress Response
- 3
Adapting to Physical Demands and Cyclical Shifts
- Balancing Training Intensity and Anabolic Recovery
- Working with Monthly and Seasonal Fluctuations
- 4
The Equilibrium Engine: Feedback and Clearance
- Mastering Axis Communication and Feedback Loops
- Optimizing Liver Clearance and Receptor Sensitivity
4 sections · 8 units · 24 levels. Built to play, not to enroll.
Questions about Working with Your Hormones
How do I learn Working with Your Hormones?
Go in order: start with Daily Levers for Energy and Sleep, then Decoding Daily Signals: Hunger and Stress, then Adapting to Physical Demands and Cyclical Shifts, then The Equilibrium Engine: Feedback and Clearance. On Tomo that's 24 short levels, about 48 minutes in all, played five minutes a day. Start free and play the first level in under a minute.
Is there a Duolingo-style app for Working with Your Hormones?
Yes. Tomo works like Duolingo: short daily lessons, streaks and quick quizzes. Working with Your Hormones is one of its free courses, and you can type any other topic to get a course of your own.
Is the Working with Your Hormones course free?
Yes. Working with Your Hormones is playable on Tomo's free plan, which doesn't expire. No credit card, no waitlist. Download the app and start your first lesson.
How long does it take to learn Working with Your Hormones?
24 levels across 4 sections, about 48 minutes of play in total. It's built for five minutes a day, so you finish it a little at a time instead of all at once.
Do I need any background to start Working with Your Hormones?
No. It's pitched at an intermediate level, so it starts where you are and builds up. If you can tap a phone, you can start.
Tomo is in ChatGPT
Tomo is also a ChatGPT plugin: the same playable courses, built and played inside your chat.
Add Tomo to ChatGPT- What to ask
- “Make me a Tomo course on black holes.” “Turn this chat into a Tomo course.”
- What you get
- Quick questions with instant feedback, hearts and stars, ready to play in about a minute.
- Where it goes
- No sign-up to start. Connect your Tomo account and your streak carries on in the app.
You pick the voice
Working with Your Hormones is taught in the Bestie style: your friend who just gets it. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
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Start Working with Your Hormones today.
Download Tomo, search Working with Your Hormones, and play your first lesson in under a minute.