No: Most likely fatigue of mind and eye produces a sleepy state. Taking breaks and occasional distractions are helpful to insure that repetitive movement and eye focusing do not overtire your concentration ability or produce fatigue.
Answered 5/13/2014
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A doctor has provided 1 answer
3 doctors weighed in across 2 answers
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
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