How Much Sleep Do You Actually Need?

Watch this video and answer the questions:

1. How many years of our lives do we spend sleeping?

2. After 2 weeks people with 6 hours of sleep showed similar reactions to ____________.

3. What did scientists name the cumulative effect of little sleep?

4. What is the possible effect if sleep deprivation is over months to years?

5. Do you always necessarily feel tired if sleep deprived?

6. What is the idea amount of sleep?

7. < 7 hours leads to _____% higher risk of death.

8. >7-8 hours leads to ______% risk of mortality.