The key to exercise solutions in chapter 7 - Life comp for the textbook Performer B2 - Student's Book with authors Marina Spiazzi, Marina Tavella, Margaret Layton from Zanichelli
Question
Watch the video and answer the questions.
Answer
1)
The structure of a person's sleep stages and cycles is known as their "sleep architecture".
2)
stress
hunger
caffeine intake
excessive use of electronic devices
hormone melatonin
3)
lack of sleep can lead to serious medical conditions; shorten your life expectancy
sleep is paramount to the brain's ability to reorganize itself; fundamentally to well-being
important for our physical and mental development
lack of sleep can bring about cardiovascular and mental problems, like depression and anxiety
lack of sleep can weaken immune system, increase the risk of obesity and diabetes