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Sarah Klein

Sarah Klein is a Boston-based health journalist with over 15 years of experience in lifestyle media. She has held positions at LIVESTRONG.com, Health.com, Prevention, and The Huffington Post. She is a graduate of the Arthur L. Carter Journalism Institute at New York University, and a National Academy of Sports Medicine certified personal trainer.

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Sarah Klein's Articles (8)

A man stretching his leg outdoors before he works out twice a day.

Health

The Pros and Cons of Working Out Twice a Day—and How to Do It Without Burning Out

Kristin McGee demonstrates Pilates ring exercises in Peloton Pilates class

Sculpt

The Biggest Benefits of a Pilates Ring and the 7 Best Exercises to Try

Woman practices plank exercise at home

Strength Train

13 Plank Variations to Fire Up Your Core

A man who is waking up tired in bed after a full night of sleep. He's lying in a modern-looking bed looking disgruntled.

Sleep

8 Possible Reasons Why You Wake up Tired (Even After a Full Night of Rest)

A man recovering from an outdoor walk or jog at night while looking up at the sky and putting his hands on his hips.

Health

6 Pros & Cons of Working Out at Night

Man looks at phone while exercising outdoors

Beginners

Can Workout Stats Do More Harm Than Good? Here's How to Know