We Work Best in 90-Min Cycles — Why Work 9 to 5?

The science of working in cycles

Image by author based on source

In 1920, a guy named Symanski noticed behavioral rhythms and patterns in rodents and fish that seemed to respond to rules encoded in their DNA. Because the technology to continuously monitor physiological parameters was not yet developed, however, he left it at that and wasn’t able to push the research further.