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When to drink coffee according to Andrew Huberman

Maximizing Productivity: The 90-Minute Rule for Perfectly Timed Morning Coffee

In today's fast-paced world, productivity is key to success. One essential aspect of maximizing productivity is understanding the optimal timing for morning coffee consumption. As experts in the field, we have conducted extensive research on this topic and discovered the groundbreaking "90-Minute Rule" for perfectly timed morning coffee, as recommended by the esteemed Dr. Andrew Huberman. In this comprehensive guide, we will delve into the science behind the 90-Minute Rule and how adhering to it can supercharge your mornings and enhance your overall productivity.

Understanding the 90-Minute Rule

The 90-Minute Rule is based on the natural circadian rhythm of the human body. Our bodies go through various cycles throughout the day, and one full cycle lasts approximately 90 minutes. Each cycle includes different stages of sleep and wakefulness, affecting our alertness and energy levels. This is similar in a way to our sleep cycles - which allows you to wake up feeling better if you calculate the best time to wake up using a sleep cycle calculator

The Ideal Time for Your Morning Coffee

According to Dr. Andrew Huberman's research, the best time to enjoy your first cup of coffee is during the peak of cortisol production. Cortisol, often referred to as the "stress hormone," is naturally released by our bodies to help us wake up and stay alert. Consuming caffeine during this peak cortisol production enhances its effectiveness, as cortisol and caffeine share similar alertness-inducing effects.

Based on typical wake-up times, the optimal window for your first cup of coffee is roughly 90 to 120 minutes after waking up. By following this guideline, you can align your caffeine intake with your body's natural rhythms, maximizing the benefits of your morning brew.

How the 90-Minute Rule Enhances Productivity

Adhering to the 90-Minute Rule offers numerous benefits that can significantly improve your productivity throughout the day. By drinking coffee during the peak cortisol production, you experience a smoother and more sustained increase in energy levels. This leads to enhanced focus, concentration, and cognitive function, allowing you to tackle challenging tasks with ease.

Moreover, this strategic coffee consumption helps you avoid the dreaded mid-morning energy crash. Consuming coffee outside the optimal window can disrupt your natural cortisol levels, leading to a rollercoaster of energy spikes and crashes. By following the 90-Minute Rule, you maintain a stable energy level, staying productive and alert without experiencing the jitters or post-caffeine slump. For more help with productivity - try out our NSDR for focus

Other Tips to Enhance Morning Productivity

While the 90-Minute Rule is a game-changer, other factors can further enhance your morning productivity. Here are some additional tips to consider:

1. Hydration is Key

Start your day by hydrating your body with a glass of water. Proper hydration kickstarts your metabolism and helps you feel more alert and energized.

2. Nourish with a Balanced Breakfast

Pair your morning coffee with a nutritious breakfast that includes a mix of protein, healthy fats, and complex carbohydrates. A balanced meal fuels your body and brain, setting you up for a productive day ahead.

3. Step into the Sunlight

Expose yourself to natural sunlight early in the morning. Sunlight boosts serotonin levels, positively impacting your mood and overall well-being.

4. Prioritize Tasks Strategically

Plan your tasks for the day, focusing on high-priority and challenging assignments during your peak productivity periods.


Mastering the 90-Minute Rule for perfectly timed morning coffee can revolutionize your daily productivity. By understanding your body's natural circadian rhythm and aligning your coffee consumption with it, you harness the power of caffeine to its fullest potential. Remember to pair this knowledge with other productivity-enhancing habits for an even more effective and fulfilling day.

Embrace the 90-Minute Rule and take charge of your mornings to achieve unprecedented levels of productivity and success. Say goodbye to groggy mornings and hello to a focused, energized, and accomplished you!

FAQ Section

1. When is the best time to drink coffee in the morning?

Dr. Huberman recommends to wait around 90 minutes after waking before having your first cup of coffee. This aligns the effects of caffeine with your natural body clock, resulting in a smoother and more sustained increase in energy levels and focus.

2. Can drinking coffee too early in the morning be bad?

It is seen that drinking coffee straight away after waking interferes with your natural production of cortisol, resulting in an energy crash later in the day.

3. Is it bad to drink coffee on an empty stomach?

For the most part, consuming caffeine on an empty stomach doesn't cause much harm. However, if you find yourself very sensitive to caffeine, you may way to have a snack with your beverage to help with the digestion.