People tend to blink about 15 times a minute, about every 4-5 seconds on average.
On average, the human eye blinks once every five seconds….which amounts to about 17,000 times a day.
On average, humans blink about every 4 seconds or about 15 times each minute. However blink rates can vary, depending on the emotional state of the person and the situation they are in. For example, blink rates increase when under stress and anxiety. This can be helpful to know when trying to detect a lie! On the other hand, when a person thinks they are in danger, their blink rate will decrease presumably to help them better observe their surroundings.
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