Dr. Colleen Ehrnstrom

Medical reviewer

Colleen Ehrnstrom, Ph.D., ABPP, is a licensed clinical psychologist. She specializes in acceptance and commitment therapy (ACT) and is board certified in cognitive behavioral therapy (CBT). At the University of Colorado at Boulder, she works in counseling and psychiatric services (CAPS). Ehrnstrom is also the co-author of the book: End the Insomnia Struggle: A Step-by-Step Guide to Help You Get to Sleep and Stay Asleep.

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Articles reviewed by Dr. Colleen Ehrnstrom

how long can you go without sleep?
Sleep Health

How Long Can You Go Without Sleep?

Kiera Pritchard

While most people dream of clocking the required 7 to 8 hours...