Chapter

The Science of 90-Minute Cycles
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28:04 - 34:51 (06:47)

The 90-minute cycles that control our sleep and wakefulness can also affect our ability to focus and perform work due to the release of acetylcholine, dopamine and norepinephrine. Training ourselves to work in 90-minute intervals can lead to improved productivity and focus.

Clips
The release of specific neurochemicals such as acetylcholine and dopamine allows the brain to focus for around 90 minutes.
28:04 - 30:00 (01:55)
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Ultradian rhythms
Summary

The release of specific neurochemicals such as acetylcholine and dopamine allows the brain to focus for around 90 minutes. By setting a clock to match these ultradian rhythms, individuals can optimize their performance at work and increase productivity.

Chapter
The Science of 90-Minute Cycles
Episode
Time Perception & Entrainment by Dopamine, Serotonin & Hormones
Podcast
Huberman Lab
Breaking your day into 90-minute focused cycles without distraction can lead to increased productivity and motivation due to the way our neurons function in relation to the release of acetylcholine and dopamine.
30:00 - 31:57 (01:57)
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Productivity
Summary

Breaking your day into 90-minute focused cycles without distraction can lead to increased productivity and motivation due to the way our neurons function in relation to the release of acetylcholine and dopamine. Some people prefer to use multiple 90-minute cycles per day to maximize their focus and drive.

Chapter
The Science of 90-Minute Cycles
Episode
Time Perception & Entrainment by Dopamine, Serotonin & Hormones
Podcast
Huberman Lab
This podcast explores the molecules responsible for time perception, and challenges listeners to measure a time interval without clocks or watches.
31:57 - 34:51 (02:53)
listen on Spotify
Time Perception
Summary

This podcast explores the molecules responsible for time perception, and challenges listeners to measure a time interval without clocks or watches.

Chapter
The Science of 90-Minute Cycles
Episode
Time Perception & Entrainment by Dopamine, Serotonin & Hormones
Podcast
Huberman Lab