1. Familiarise yourself thoroughly with text 10 as well as its vocabulary, i.e. read through the text and make sure you understand the main points.
2. Go through exe. 10a (first without looking at the answers, and after that seeing whether you had answered correctly).
3. Do exe. 10b and 10d in writing. (Prepare to present your ideas for the rest of the group and the teacher.)
4. Listen to the podcast called Sleep is your superpower (below) and answer to the listed questions in writing.