Delaying your morning coffee by at least two hours after waking has become a trending wellness practice, especially on social media. Advocates claim this small shift can help regulate cortisol levels, reduce mid-afternoon crashes, and even improve the body’s natural energy rhythm. The idea is that giving your system time to fully wake up before caffeine intake allows for more sustained energy throughout the day.
Curious about whether these claims held any truth, I decided to test the method myself. For one full week, I pushed back my first sip of coffee, resisting the usual temptation to brew a cup right after getting out of bed. What happened surprised me and taught me a lot about my own energy patterns. Keep reading to learn what I discovered and if it’s worth trying.
Read More: OpenAI Shares Insights on Who Uses ChatGPT and How
What the Research Says
So far, there isn’t much high-quality research specifically looking at whether delaying your morning coffee is beneficial.
A 2024 study examined the practice and found that waiting 1.5 to 2 hours after waking doesn’t necessarily prevent a cortisol spike or reduce the likelihood of an afternoon “crash.” Cortisol levels still rise after caffeine intake, regardless of timing.
Interestingly, the study noted that this response tends to be less pronounced in regular coffee drinkers—those who consume around 200 milligrams (mg) of caffeine daily. For people who typically drink more, about 300 to 600 mg per day, the cortisol response may be almost nonexistent.
Overall, researchers concluded that caffeine consumption doesn’t significantly alter the body’s natural cortisol rhythm throughout the day.
My Setup
Before getting into my results, it’s worth explaining my usual routine. On a typical day, I wake up around 8:30 a.m. and head straight for my espresso machine. My go-to is two shots of dark roast espresso, which comes out to about 130 milligrams of caffeine in total. I normally drink it within the first 30 minutes of waking—usually on an empty stomach.
For this experiment, I didn’t change the amount or type of coffee I consumed. The only adjustment I made was timing: instead of brewing my espresso right away, I waited until at least 10:30 a.m. before taking my first sip.
How I Felt
Over the course of the week, I didn’t notice any major shifts in my energy, focus, or stress levels. The main difference was that I felt noticeably more sluggish during the first couple of hours after waking, before I finally had my coffee.
As for the afternoon slump, nothing changed. I usually hit a wall around 3 p.m., and even with delayed coffee, that “crash” still showed up right on schedule.
Would I Do This Again?
Honestly, no. I didn’t experience any benefits from waiting to drink coffee. If anything, the delay left me feeling less productive in the mornings, since I was groggier and slower to get going. And because my afternoon crash didn’t improve, there wasn’t much payoff.
That said, everyone responds differently to caffeine. If you’re curious, it might be worth experimenting yourself—especially since shifting your coffee routine has little downside.
Frequently Asked Questions
Why do people suggest delaying coffee in the morning?
The idea is that waiting helps align caffeine intake with your body’s natural cortisol rhythm, potentially reducing energy crashes later in the day.
How long should I wait before drinking coffee?
Many suggest waiting 1.5 to 2 hours after waking. However, research shows this may not have a significant effect on cortisol levels.
Does delaying coffee prevent the afternoon crash?
Not necessarily. Studies and personal experiences suggest that delaying coffee doesn’t eliminate mid-afternoon fatigue.
Can delaying coffee be harmful?
For most people, no. The main drawback is feeling more sluggish in the hours before your first cup.
Who might benefit from trying this?
People who want to experiment with their caffeine routine or those sensitive to energy dips may find it worth testing.
Conclusion
Delaying your morning coffee may sound promising, but my weeklong experiment showed little to no benefit. I felt groggier in the mornings and still experienced my usual afternoon crash. Current research also suggests that waiting to drink coffee doesn’t meaningfully change cortisol patterns or energy levels. That said, everyone’s body reacts differently to caffeine. If you’re curious, experimenting with timing is a low-risk way to see if it makes a difference for you.