If you drink caffeine on autopilot, you're mostly paying to feel normal. Here's how to get the real effect.
How to use caffeine on purpose for sharper focus, more energy and better performance, without wrecking your sleep. A University of Bristol study found that for daily users, much of the morning "boost" is simply the reversal of withdrawal built up overnight. Caffeine Leverage shows you when to take it, how much in one go, what to pair it with and how to stop it becoming a crutch, all inside the official safety limits.
- The full Caffeine Leverage playbook (about 51 pages, phone or laptop)
- The safety lines for healthy adults (400 mg a day, 200 mg in one go) and who should ask a doctor first
- A caffeine audit and a source-by-source table, so you know what you're actually taking
- The caffeine clock: find your personal cut-off time and protect your sleep
- Protocols for deep work, training, exams, shift work and travel
- Tolerance, a two-week reset and a 30-day plan with a daily log
What's inside
How caffeine actually works
The tiredness signal you're borrowing against, how fast it hits and how long it stays, what it reliably does and doesn't do, and the withdrawal trap.
The safety lines
The official limits, scaling for body weight, who should avoid caffeine or ask a doctor first, what never to do, and signs you've had too much.
Know your dose
Typical caffeine content by source, why the cup in your hand may not match the table, choosing your source and a caffeine audit.
Timing: the caffeine clock
The cut-off rule, finding your personal cut-off time, timing by chronotype, the 90-minute question and timing for the effect you want.
Protecting your sleep
What caffeine does to your night even when you don't notice, how it shifts your body clock, sleep-first rules and what to do after a bad night.
Pairing: light, food, water and movement
Light as the free stimulant, avoiding stomach and sugar problems, water, movement against slumps, and the L-theanine tea pairing.
Deep work and creative work
What caffeine does for thinking work, the Focus Block Protocol, designing a deep-work day, and fixing "wired but unproductive".
Training and sport
What the research says, the Training Dose Protocol, evening training without caffeine, reading pre-workout labels, and when to skip it.
Exams, long days, shift work and travel
Exam-day timing, long days, night shifts, the caffeine nap, and a jet lag and time-zone checklist.
Tolerance, cycling and resetting
How tolerance works, what withdrawal feels like, the low-baseline, planned-spike model, a two-week reset and recognising overuse.
Crashes, jitters and when not to use it
Why you crash, the ten common mistakes, what to do with the jitters in the moment, when not to use caffeine, and decaf alternatives.
The 30-day plan
Audit, set the lines, deploy, then test and lock in. A daily log, a weekly review and your Caffeine Leverage plan card.
Is it for you?
Who it's for
- Healthy adults 18+ who already use caffeine and want more out of it.
- Founders and professionals doing deep work, students facing exams, people who train, shift workers, frequent travellers and creative people who need to think clearly for hours.
- Anyone who feels they can't function without caffeine and wants to cut back without a week of headaches.
Not for you if
- You are under 18.
- You are pregnant, trying to get pregnant or breastfeeding, have a heart condition, high blood pressure, an anxiety, panic or sleep disorder, or take regular medicine, unless you've checked with a doctor or pharmacist first.
- You want megadoses, caffeine powders or ways to skip sleep. The book tells you never to do those.
Who's behind this
Caffeine Leverage is written by Manthan Bhendkar, founder of Asendify. Manthan is not a doctor, and the book doesn't replace one. It is built on the limits set by the major food-safety authorities and on published research, with numbered sources at the back so you can check every claim.
Every protocol stays inside those limits, and the book never asks you to go above them. If a product, coach or influencer tells you to go higher, the book's advice is simple: ignore them.
Questions
Is it safe?
Every protocol stays inside the limits set by the major food-safety authorities for healthy adults: no more than 400 mg of caffeine a day and no more than 200 mg in a single dose. The book tells you never to use caffeine powders or highly concentrated caffeine. If you are pregnant, breastfeeding, have a heart condition or take medication, check with a doctor first.
Will it make me drink more caffeine?
No. Most of the book is about using less, more deliberately: a low everyday baseline with planned, bigger doses saved for the moments that count.
I mostly drink tea or energy drinks. Is it still for me?
Yes. Part 3 covers caffeine by source, including coffee, tea, energy drinks and pre-workouts, and shows you how to add up what you actually take.
What if I already can't function without it?
Part 10 explains tolerance and withdrawal and gives you a two-week reset that lets you cut back without a week of headaches.
Will it help my sleep?
Part 4 shows you how to find your personal cut-off time and Part 5 covers sleep-first rules. The 30-day plan is built to leave you with a lower everyday dose and caffeine that no longer costs you sleep.
Is this medical advice?
No. It's an education book for healthy adults (18+). It doesn't diagnose or treat anything. Check with a doctor or pharmacist before changing how much caffeine you use if you have a health condition or take medication.
How do I get it?
Right after you pay, a download button appears on this page, and the link is emailed to you. The link works for 30 days and up to 10 downloads.
Why is my name on the PDF?
Each copy is licensed to one person. Your name and a unique licence ID are printed in it, which stops copies being passed around and resold.
How do I know a payment request is really from you?
We only take payment through this checkout or an invoice emailed from an @asendify.co address. Our only official WhatsApp is +91 90960 82894. We never ask you to pay a personal account, UPI ID, crypto wallet or gift card. If anyone does, don't pay, and email montybhendkar@gmail.com.
Get the book
Sharper focus and more energy when you need it, with your sleep protected. For healthy adults 18+.
Caffeine Leverage is for healthy adults (18+) and is education, not medical advice. Check with a doctor first if you are pregnant, breastfeeding, have a heart condition or take medication.