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.
Yes, lack of sleep can affect your immune system. Studies show that people who don't get quality sleep or enough sleep are more likely to get sick after being exposed to a virus, such as a common cold virus. Lack of sleep can also affect how fast you recover if you do get sick.During sleep, your immune system releases proteins called cytokines, some of which help promote sleep. Certain cytokines need to increase when you have an infection or inflammation, or when you're under stress.Sleep deprivation may decrease production of these protective cytokines.ong-term lack of sleep also increases your risk of obesity, diabetes, and heart and blood vessel (cardiovascular) disease. How much sleep do you need to bolster your immune system? The optimal amount of sleep for most adults is seven to eight hours of good sleep each night. Teenagers need nine to 10 hours of sleep.