Children as young as 3 can be given IQ and ability tests. Children whose IQ scores are at or above 130 are usually considered gifted (the range for average intelligence is 85 to 115). Sometimes a child with an IQ score of 120 will qualify for a gifted class.igns of giftedness in a preschooler. Your 2- to 4-year-old may be gifted if she has some of these characteristics: 1  Has a specific talent, such as artistic ability or an unusual ease with numbers.
Yes, lack of sleep can cause itchy eyes. Itchy eye is a major symptom of inadequate tear production. If you don't have enough sleep, you body will be very dry and result in stopping produce tears. In that case, dry eyes occurs.
1 Genetics: Researchers have found a genetic basis for narcolepsy, a neurological disorder of sleep regulation that affects the control of sleep and wakefulness. 2  Night shift work: People who work at night often experience sleep disorders, because they cannot sleep when they start to feel drowsy.