Irregular sleep can have an effect on the mental activity of your children mind.
Late and irregular going to sleep can dull the minds of young children. British survey of London’s University College, which was conducted on more than 11,000 children showed that those who were not in bed by 21 had lower scores in reading and math.
Authors of the study say that a lack of sleep can disrupt the body’s natural rhythm and reduce the brain’s ability to learn new information.
Irregular sleep most common in three-year, while more than half of the seven year olds went to bed between 19:30 and 20:30 hours. It has been shown that the effect of bad habits is higher in girls than in boys.