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4 Very Real Ways Your Body Suffers When You Skimp on Sleep

Brittany DoohanSanjai Sinha, MD
Written by Brittany Doohan | Reviewed by Sanjai Sinha, MD
Updated on November 5, 2025
Reviewed by Sanjai Sinha, MD | November 5, 2025

You know you feel better after a good night’s sleep. But you might not realize it’s not just about having energy and getting your beauty rest. There are some other serious, not-so-obvious ways your body suffers from lack of sleep.

We all have sleepless nights from time to time, but if you’re having trouble sleeping for longer than a week or it’s starting to affect your quality of life during the day, see your doctor.

References

Cohen, S, et al. (2009). Sleep habits and susceptibility to the common cold. Archives of Internal Medicine.

Dimitriu, A, et al. (2023). The complex relationship between sleep, depression & anxiety. Sleep Foundation.

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Brittany Doohan
Written by:
Brittany Doohan
Brittany Doohan was the Content Director at HealthiNation and is currently the Editorial Director at Medscape. Through her work with Medscape, she won a Silver Telly Award in May 2022 for "Sleepless Nation: A Public Health Epidemic — Episode 2: A Decade Without a Diagnosis." She has worked in health journalism and video production for more than 8 years, and loves the challenge of explaining complex topics in an easy-to-understand and creative way.
Sanjai Sinha, MD
Reviewed by:
Sanjai Sinha, MD
Sanjai Sinha, MD, is a board-certified physician with over 20 years of experience. He specializes in internal medicine.

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