Is sleeping too much bad for you?

Good quality sleep is linked to overall physical and mental health, but is too much sleep harmful? Simply put, it can be. Excessive sleep, as well as lack of it, is linked to a higher risk of chronic diseases, including coronary heart disease, type 2 diabetes, anxiety and obesity in adults over the age of 45, according to a study published in PLoS one (opens in new tab).

But why is sleep important? Teresa Schnorbach (opens in new tab)psychologist and sleep scientist specializing in clinical psychology and cognitive neuropsychology, tells Live Science that it’s critical to maintaining our physical and mental well-being.

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