Drink coffee in the morning
The speaker debunks the popular biohacking advice to delay coffee for 90 minutes after waking due to cortisol concerns. They argue that morning cortisol is natural and necessary, and that immediate coffee consumption is beneficial for most people. The 90-minute delay is only relevant for those who wake up already energized.
Summary
The speaker directly challenges a claim circulating among newer biohackers that coffee should be delayed 90 minutes after waking to avoid interfering with cortisol levels. They argue this advice misunderstands cortisol's role in the body — high cortisol in the morning is not dangerous but rather essential, as it helps regulate blood pressure and gets people out of bed. The speaker emphasizes that low cortisol is actually more dangerous than high cortisol, framing morning cortisol as a necessary biological function rather than something to be managed or avoided.
The speaker goes on to say that drinking coffee immediately upon waking can actually complement and support the body's natural cortisol rhythm rather than disrupt it. They also note that for people experiencing burnout, morning coffee can be especially beneficial, though they recommend pairing it with electrolytes. The only exception they carve out is for individuals who naturally wake up at early hours like 5:00 a.m. feeling fully alert and energized — for those people, the body's cortisol is already doing its job, making coffee unnecessary at that moment, and a delay of around 90 minutes could make sense. For everyone else waking at a typical time, the speaker argues that delaying coffee not only provides no benefit but may actually be harmful. The segment closes with a lighthearted jab at cortisol-fearful critics.
Key Insights
- The speaker argues that high cortisol in the morning is biologically normal and necessary, as it regulates blood pressure and helps people get out of bed — contradicting the premise behind the 90-minute coffee delay rule.
- The speaker claims that low cortisol is more deadly than high cortisol, reframing morning cortisol as something to support rather than suppress.
- The speaker asserts that drinking coffee immediately after waking helps match the body's natural cortisol rhythm rather than disrupting it.
- The speaker states that for people experiencing burnout, morning coffee is especially helpful, but recommends pairing it with electrolytes to offset any downsides.
- The speaker identifies the only legitimate use case for the 90-minute delay as applying exclusively to people who wake up naturally energized around 5:00 a.m., arguing it is irrelevant or harmful for everyone else.
Topics
Transcript
[0:00] Some new to the field biohackers are saying, "Don't drink coffee for 90 [music] minutes after you wake up because oh no, cortisol." Guess what? You're supposed to have high cortisol in the morning. That's what gets you out of bed with enough blood pressure. Low cortisol is more deadly than high cortisol, but you don't want either one. So, having a cup or two of coffee right when you wake up is just fine. [music] In fact, it helps to match the natural rhythm of cortisol. And if you're a little bit burned out, it actually [music] helps a lot in the morning, but have some electrolytes with it. The only time you wouldn't want to do coffee…
Full transcript available for MurmurCast members
Sign Up to AccessMore from Dave Asprey
The Biggest Lie Your Doctor Tells You About Aging
A doctor argues that many effects of aging are not inevitable but are largely lifestyle-based and optional. He criticizes the medical tendency to dismiss patient symptoms by attributing them to age, suggesting this reflects a lack of medical knowledge rather than an honest answer.
Why the Titanic Really Sank: Mastering Root Cause Analysis
This transcript uses the Titanic disaster as a case study to explain root cause analysis. The speaker argues that asking 'why' multiple times reveals deeper causes than the surface-level explanation. The true root cause of the Titanic sinking was excessive speed, not simply hitting an iceberg.
Why You're Always Hungry: Understanding Food Noise
The speaker explains 'food noise' as conditioned eating behavior driven by environmental cues rather than physical hunger. Through advertising and repeated associations, people are trained to feel hungry in response to everyday situations like watching TV or visiting a mall. This constant stimulation of hunger leads to overeating disconnected from genuine biological need.
Why Your Brain is Running on Fumes
The brain consumes 20% of the body's oxygen despite being only 2% of body weight, making it highly vulnerable to circulation issues. Poor circulation, driven by sedentary habits and restrictive footwear, weakens the calf muscle pump, causing blood to pool in the legs and reducing oxygen delivery to the brain. This mechanism offers a direct, measurable explanation for cognitive fog.
Why Your Brain Needs Boredom
The transcript explores the cognitive necessity of boredom, comparing it to physical recovery after training. The speaker argues that periods of low or no cognitive stimulation allow the brain to form new connections and boost creativity. Boredom is also described as essential for integrating previously received stimuli.