📝52/17 is an optimal interval for Pomodoro
How the Most Productive People Schedule Their Day The Muse claims that 52 minutes work / 17 minutes rest is the optimal interval for the Pomodoro technique. They don’t publish the sample size or research method, so that should be taken with a grain of salt.
However, that suggests that it might be a good idea to experiment with different intervals to see what works better for me.