The lessons focus on giving children strategies for getting to sleep and raising awareness about how sleep needs change in adolescence, reports The Guardian.

“Sleep issues are a huge problem … it’s a hidden public health crisis,” said Rachael Taylor, the founder of the Sleep Sanctuary. “There is a lot of sleep anxiety being diagnosed at the moment; it’s a new area that we are looking at, dealing with more children who have anxiety and it is coming out in sleep issues.”