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Tom’s Guide
Tom’s Guide
Technology
Nicola Appleton

7 signs that you’re in sleep debt and don’t even know it

A woman with red hair yawns while holding a large mug with both hands.

Whether it’s because of a late night, early morning, or a baby that hasn’t quite grasped the difference between night and day, we all know what it’s like to occasionally feel tired. But is it possible that you could be in severe sleep debt and not even know it? 

Sleep debt, which is also known as sleep deficit, occurs when you don’t get the amount of sleep your body needs to function optimally. For example, if you require eight hours of sleep in order to feel refreshed but only got six, you are two hours in sleep debt — and you’ll likely feel tired as a result.  

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