Struggling to figure out how much sleep your body actually needs? You’re not alone. Although sleep is among the strongest predictors of long-term health, 38% of Americans sleep less than 7 hours each night.

In this episode of Health and Human Science Matters, Dr. Josiane Broussard, director of CSU’s Sleep and Metabolism Lab with the Department of Health and Exercise Science, breaks down the research behind sleep duration, why your ideal number might differ from someone else’s, and how sleep affects everything from metabolism to mood.

Learn more about Dr. Broussard on her bio page!