How a string of bizarre events led writer Linda Geddes to don her sleuthing cap and dig into a world of shadowy impersonators

It started with an entirely ordinary interaction on LinkedIn. Someone had tagged me in a post, saying how much they’d enjoyed contributing to a New York Post article I’d written about “chronoworking”. As the author of a book about circadian rhythms, it was exactly the sort of subject I might write about. Except I’d never heard of this person, let alone interviewed them.

I clicked on the link and my stomach dropped. There, above an article about people who organise their working lives around their biological clocks, was my name: Linda Geddes.