Tag: Tired appearance

According to a 2018 study published by the National Institutes of Health, untrained observers can detect illness in a person's face with surprising accuracy. It is a well-established fact that various illnesses can trigger noticeable changes in your facial appearance, serving as powerful, non-verbal cues to your current state of health. But what exactly causes these shifts?

Research has confirmed that humans can accurately identify a sick individual by their facial appearance alone, even in the very early stages of an infection. So, **does the face look different when sick**? The answer is a definitive yes, with multiple subtle and noticeable changes occurring in a person's face. These alterations are not random but are directly linked to the body's physiological response to fighting an illness.

According to a study published in the journal *Sleep*, facial cues of fatigue are readily observable by others, with sleep-deprived individuals rated as looking significantly more tired. The physical effects of exhaustion, from your eyes to your skin, are often visible, raising the question: **How does someone look when they're tired?**