Katie Sims

Katie Sims is a freelance journalist who writes about a variety of topics for publications including Marie Claire, Woman&Home, Who What Wear, and Ideal Home. She graduated with a Master's in Media and Journalism in 2021 and has been writing engaging digital content ever since. Her biggest passion is all things health and wellness, and she's tested fitness devices, workout methods, and nutritional advice to see what can help her (and others) feel good from the inside out. When she's not writing health and wellness content, she'll either be on a long walk, at a Pilates class, or tackling her long list of books to read.

Articles by: Katie Sims

Fitbit Charge 6, Oura Ring 4, Apple Watch Series 9

I tracked my sleep with an Apple Watch, Fitbit and Oura Ring – here’s which one was most accurate

By Katie Sims published

With Apple, Fitbit and Oura all promising to decode your sleep, I put them head-to-head to see which one gave the most accurate picture.

The best running watch

How to use heart rate zones on your smartwatch to smash your fitness goals, according to research

By Katie Sims published

Forget guesswork. By understanding these five heart rate zones, you can optimize every workout and experience maximum results.

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