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Effects of sleep deprivation

Progressive relaxation techniques for insomnia

How to test for sleep apnea: At home or in a lab

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Harvard Health Experts and Contributors
List of Experts

Preeti Upadhyay, MBBS, MPH
Contributor

Eve Valera, PhD
Contributor

Christopher D. Vélez, MD
Contributor

David M. Vernick, MD
Contributor

Alessandro Villa, DDS, PhD, MPH
Contributor

Kathleen Viveiros, MD
Contributor

Alina von Korff, MD
Contributor

Daniel M. Vu, MD
Contributor

May Wakamatsu, MD
Contributor

Sarah Wakeman, MD, FASAM
Contributor

Robert John Waldinger, MD
Contributor

Allan Walker, MD
Contributor

Molly Wanner, MD
Contributor

Janice Ware, PhD
Contributor

Jon Warner, MD
Contributor

Lindsay Warner
Content Licensing Editor, Harvard Health Publishing

Haider Warraich, MD
Contributor

Stephanie Watson
Former Executive Editor, Harvard Women's Health Watch

Peter Wayne
Assistant Professor of Medicine, Harvard Medical School

Cecil R. Webster, Jr., MD
Contributor

Bobbi Wegner, PsyD
Contributor

Peter Wehrwein
Contributor, Harvard Health

Edward N. Wei, MD
Contributor

Scott Weiner, MD, MPH, FACEP, FAAEM
Contributor

Carol Weitzman, MD
Contributor

How is PSA used to monitor prostate cancer?

Effects of sleep deprivation

Progressive relaxation techniques for insomnia

How to test for sleep apnea: At home or in a lab

How sleep deprivation can harm your health

Extreme heat endangers older adults: What to know and do

Want to cool down? 14 ideas to try

What is a PSA test and how is it used?

Blood sugar–friendly fruits if you have diabetes

Gratitude enhances health, brings happiness — and may even lengthen lives