Introduced just over 100 years ago, Daylight Savings have always been divisive.

So, why are people for and why are people against — and how have those arguments changed over time?

We find out with today's guest, Dr Kristin Hussey - a science historian currently based in Denmark who is working on a book about the history of circadian rhythms.

This episode was produced by Emily Whalley.

Edited and mixed by Aidan Lonergan.

The senior producer is Charlotte Long.

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