The Science of Sleep

According to paragraph 2, which phase of sleep is most associated with memory consolidation?

Each complete sleep cycle lasts approximately 90 minutes.

What does the passage say is the most effective single habit for better sleep?

According to the passage, sleeping fewer than eight hours per night is defined as chronic sleep deprivation.

According to paragraph 4, how does blue light from screens affect sleep?

Sleep deprivation has been compared to heavy alcohol consumption in terms of its effects on the brain.

What does the passage suggest about cultural attitudes towards sleep?

The passage claims that all business leaders now encourage employees to prioritise sleep.