[1]Pupils at schools in the UK are being given lessons on how to sleep. The project, run by the charity Sleep Scotland, aims to teach pupils tips, such as the importance of a bedtime routine and avoiding late-night television.

[2]Experts say teenagers who seem bad-tempered could actually lack sleep because they go to bed after midnight. The advice for pupils is that they should sleep for more than nine hours a night. Researchers found that after going to bed after midnight, teenagers still _____________for watching television or browsing the Internet. Some pupils were getting as little as four or five hours of sleep a night.