Air Quality & Respiratory Specialist

Dr. Harrison Whitfield

Dr. Harrison Whitfield is a board-certified respiratory therapist with 18 years of experience. He serves as director of respiratory care at Massachusetts General Hospital and researches air quality and sleep health.

Respiratory HealthAir QualityBedroom HumidifiersSleep Apnea

Total Works

Guides

Reviews

50K+

Readers Helped

Product Reviews by Whitfield

Product Review

10 Best Bedroom Humidifiers for Better Sleep (2025)

Finding the best bedroom humidifier can dramatically improve your sleep quality and respiratory health. Whether you need a cool mist humidifier for baby nurseries, a warm mist vaporizer for congestion relief, or a smart humidifier with app control for large rooms, our experts tested 35+ models to find the top performers.

Nov 24, 202510 products reviewed

Guides by Whitfield

Sleep Health

Sleep Apnea: Symptoms, Causes, Diagnosis & Treatment Options

Complete guide to sleep apnea including symptoms, risk factors, diagnosis, and treatment options. Learn about CPAP, oral appliances, and lifestyle changes.

15 min readDecember 6, 2025