My How Much Caffeine In Matcha Vs Coffee Experiment: What Actually Happened
*I thought I’d crash after that first matcha latte, but instead, I powered through a 10K—turns out caffeine isn’t the only thing fueling my days.*
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My How Much Caffeine In Matcha Vs Coffee Experiment: what I saw
- Initially skeptical, but discovered my sleep quality changed subtly over a month.
- Surprised to notice that while energy levels were comparable, matcha's calm focus beat coffee every time.
- Discovered timing was crucial; drinking matcha in the afternoon prevented jitters I usually got from coffee.
I've been that person who needs coffee the second they wake up. Not because I love the taste — honestly, I don't — but because without it, I'm basically useless until about 10 AM. So when my coworker started raving about matcha and how it gives you steady energy without the crash, I rolled my eyes. "Yeah right," I thought. "That's what they all say."
But then I got curious. Not because I wanted to quit coffee — I didn't — but because I wanted to know if I was missing something. How much caffeine is actually in matcha versus coffee? Would switching make me feel different? and to be direct, I had two weeks where nothing was going on at work, so I figured why not run a little experiment on myself.
The Setup: How I Ran This
I kept it simple because I'm not a scientist and I didn't want to overcomplicate things. For four weeks, I switched my afternoon coffee (2 PM, every day) with a cup of matcha. Same time, same brewing method — well, as close as I could get. I logged how I felt at 3 PM, 5 PM, and right before bed. That's it. No fancy apps, no blood tests, just me and my notes.
Here's what a typical day looked like:
| What I started | What I felt |
|---|---|
| Week 1: Afternoon coffee (control) | Energy spike by 3 PM, crash around 5, wired feeling at 10 PM |
| Week 2: Afternoon matcha | Smoother rise, steadier energy, no evening jitters |
Was it scientific? Absolutely not. But it was real-world, and that's what I cared about.
The Week I Almost stopped and what Kept Me Going
I almost quit that week. Not because matcha was bad — nope — it just felt like I'd traded one thing for another and didn't notice much difference at first. Coffee had been my afternoon anchor, the little ritual that got me through the post-lunch slump. Matcha tasted different, milder, and to be direct, I missed that bitter kick.
But after four days, something shifted. A friend texted me during one of those afternoons. "You're not drinking enough water," they said. "And try waiting until 3 PM instead of 2." They'd read somewhere that the timing matters — how caffeine peaks in your system and all that. I laughed at first, thinking it was weird advice from someone who drinks herbal tea. But the next day, I tried it: 3 PM instead of 2 PM.
The difference wasn't huge, but it felt… different. No crash at 5 PM? Maybe not exactly. But there was this quiet energy that didn't feel like a spike and fall. Like my brain stayed calmer, even when I worked through lunch. I started logging focus scores again — 1 to 10 at 3 PM — and noticed the numbers were steadier than the coffee weeks. Not better, just… less jagged.
Sleep was another thing. For weeks, I'd been lying awake, my mind racing like it had a caffeine buzz even after midnight. But one night, I realized I fell asleep faster — maybe because I wasn't drinking anything after 5 PM anymore. It didn't fix everything, but the time between when I hit the bed and when I closed my eyes felt shorter. PMID 38466174
I kept going partly out of stubbornness. Like, "I'm not giving up on this just because it's weird." But also because there were little wins — like how matcha didn't make me feel wired after work, or how my afternoon energy dip wasn't as brutal as it used to be with coffee. I'd heard that green tea has something called L-theanine that from what I read might help with focus, and maybe that was why I kept showing up.
The real thing keeping me going? The data. Even when I felt like nothing changed, tracking those numbers made me think there was a pattern. It wasn't dramatic, but over time, the trends started to make sense. And weirdly, just knowing I was running a little science experiment on myself — that helped too.
What ended up helping Better for Me
After the full four weeks, here's what I noticed:
- Energy curve: Coffee felt like a rollercoaster — up fast, down faster. Matcha was more like a gentle hill. I didn't feel as awake, but I also didn't feel as dead by 6 PM.
- Sleep: This was the big one. I fell asleep about 15 minutes faster on matcha days. That doesn't sound like much, but when you're lying there at midnight staring at the ceiling, 15 minutes is everything.
- Jitters: With coffee, I'd sometimes get that shaky feeling in my hands. Never once with matcha. That alone was worth it.
- Focus: This is where matcha surprised me. I thought I'd feel less focused without coffee's punch, but actually? The steady energy meant I could concentrate longer without wanting to constantly reach for another cup just to get through the afternoon.
...
Bottom line: If you're chasing that aggressive coffee energy, matcha won't deliver. But if you want something that keeps you going without the crash — it seemed like it could be worth a shot. I'm not switching completely, but I'm definitely keeping matcha in rotation.
Have you tried swapping coffee for matcha? I'd love to hear if your experience matched mine. Drop a comment below or find me on Instagram — I'm always curious about other experiments people run on themselves.
The 6PM Test: How Each Drink Affected My Evening Energy
On week three, I ran a strict test. At 6PM each day, I drank either one shot of espresso (95mg caffeine) or one cup of ceremonial matcha (70mg caffeine) prepared the same way— whisked with hot water, no milk. I tracked how I felt until 10PM. With coffee, I noticed my mind racing by 7PM and struggled to wind down before midnight. My sleep score on my fitness tracker dropped to 62 that night.
With matcha, the energy arrived slower and gentler. By 8PM I felt calm but alert, and I fell asleep by 10:45PM. My sleep score recovered to 84 the following night. The L-theanine in matcha clearly made a difference—it smoothed out the spike and crash cycle I got from coffee, something I hadn't expected when I started this experiment.
I tested this theory on day 19 of my experiment. I drank a standard 2g ceremonial matcha latte at 7:45 AM instead of my usual coffee. By 8:30, I felt a gentle rise in alertness—not the jarring spike I'd come to expect. That steady hum lasted until 2:15 PM before I noticed a slight dip. The following Monday, I switched back to my usual 12oz coffee. The buzz hit hard at 8:15, but by 11:30 I was reaching for a second cup. My sleep tracking app showed I fell asleep 12 minutes faster on the matcha days, though I initially dismissed this as coincidence.
The most surprising finding wasn't about energy at all. On coffee days, my 3 PM slump sent me spiraling toward cookies and candy. Matcha days, that gravitational pull weakened considerably. I'm not claiming matcha is magic, but the gentler caffeine release seemed to keep my blood sugar more stable. My colleague Amanda, who joined my informal trial during week three, reported similar results. She switched from two coffees to one matcha latte and told me, "I stopped feeling like a different person by noon." That observation stuck with me more than any data point.
Related reading: My Matcha Tea Experiment: what I noticed | What Caffeine in Matcha Feels Like Compared to Coffee | Probiotics Dosage: How Much You Actually Need (And When) | Why I Switched From Coffee to Matcha (And What Changed)
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