CITED CLIPS
Caffeine's Effects
Andrew explains how caffeine affects dopamine receptors, increasing motivation and drive. He also discusses how caffeine affects alertness through the release of adrenaline and its impact on the sympathetic nervous system. However, he warns against consuming caffeine too late in the day, as it can disrupt sleep quality.In this clip
From this podcast
Huberman Lab
Focus Toolkit: Tools to Improve Your Focus & Concentration | Huberman Lab Podcast #88
Related Questions
Is it true that "Caffeine is a stimulant that enhances alertness and reduces feelings of fatigue? It works by blocking adenosine receptors in the brain. Adenosine is a neurotransmitter that builds up in your brain the longer you’re awake and promotes sleepiness. When caffeine blocks the receptors, your brain doesn’t register the adenosine, leading to increased alertness and feeling less of a need to sleep"?
How does adenosine affect sleep and wakefulness?