For many parents, making sure that their children get the right amount of sleep can be stressful. This is especially true during high-pressure times such as exams     1     students study all night for the next day.     2    (unfortunate), it is often counterproductive (适得其反的) because with fewer hours to sleep, the brain doesn’t get enough time to keep     3    they’ve studied the night before.

Poor sleep will have all sorts of negative effects on teenagers, including the rise in blood pressure, and     4    (patient) behaviors. Without enough sleep, the brain can no longer work     5    (deal) with information properly and use information already     6    (learn).

So, how can parents help? If you think your child needs more sleep, try making gradual adjustments to their sleeping habits. So far, studies     7    (show) improvements in changing sleep patterns. And remember your children are going through     8     period of time in their lives when their brains and bodies are going through a lot of     9    (change). Not only is your job to help make a difference, but it’s also to ride the wave with them. It may not be easy, but they will thank you     10     your help eventually.