During sleep the body repairs and regenerates tissues and strengthens the immune system. If children do not have enough sleep it can lead to irritability and lack of concentration. There is evidence that it may also lead to obesity.
Generally, the younger a child is the more sleep they need, however the amount of sleep needed at a given age can vary from child to child.
Children or young people may not sleep well if they have any stress or worries such as exams or problems with their friends.
Follow the links or the Top tips for advice on how to give your child a better night sleep.