Quiet Wall

Dopamine fasting: where the idea came from

Quiet Wall ·

Dopamine fasting began in 2019 as a psychologist's idea and turned into the dopamine detox. What it originally meant, and what it never meant.

Where dopamine fasting began

In August 2019, Cameron Sepah, a psychologist and UCSF professor, published The Definitive Guide to Dopamine Fasting 2.0. The idea was to set aside regular time away from the behaviours you find hardest to control, such as reaching for the phone, on a schedule.

He described it as based on a technique from cognitive behavioural therapy called stimulus control: change what is around you, and the habit has less to set it off.

What it never meant

The name suggested something it did not mean, and Sepah said so in the post itself: "we ARE NOT fasting from dopamine itself, but from impulsive behaviors reinforced by it."

So dopamine fasting was never about lowering a chemical. It was about taking a habit away for a while and seeing what happens without it.

His schedule

Sepah did not set one length. He suggested four, as guidelines rather than rules:

How it became the dopamine detox

The idea was covered widely in late 2019, and as it spread, its name did more of the work than its content. Many later versions treat it as a break from dopamine itself, or from every pleasure at once, which is the reading the original ruled out. Harvard Health's blog described the popular version as a fad built on a misunderstanding of the science.

Over time "fasting" became "detox", and the dopamine detox is now the name most people search for. The practice underneath is the same one, and the original framing is still the more honest one.

What is left of the idea

Strip away the name and the useful part is small and practical:

The first line of the original schedule, a short stretch at the end of each day, is the one most people skip, and the easiest to keep.

The shortest version

Quiet Wall is ten minutes of that daily stretch, on a timer. A reminder arrives, the phone goes across the room, and you look at a blank wall until a sound brings you back. There is more on what that is for, and what it is not, on dopamine detox.

Who came up with dopamine fasting?

Cameron Sepah, a psychologist and UCSF professor, in a 2019 post. He based it on stimulus control, a technique from cognitive behavioural therapy.

Does dopamine fasting lower dopamine?

No, and it was never meant to. Its author wrote that it is a break from impulsive behaviours, not from dopamine itself.

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