Does Lack Of Sleep Lower Iq? [Solved]

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Does Lack Of Sleep Lower Iq? [Solved]

Less sleep lowers IQ scores and grades According to Coren, scores on intelligence tests decline cumulatively on each successive day that you sleep less than you normally sleep. The daily decline is approximately one IQ point for the first hour of sleep loss, two for the next, and four for the next.

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4 Common Things That Lower Your IQ

There is an old saying knowledge is power. To utilize knowledge in it’s full form would require a high