How much sleep do you really need to function at your best?

8-10 hours of sleep

Explanation:

The National Sleep Foundation recommends seven to eight hours of sleep for people over age 64 and seven to nine hours for ages 18 to 64. Kids need more sleep. Studies have asked large numbers of people how many hours of sleep they actually average and followed the health of these people over decades.

Explanation:

glass wants to live in a world of super heroes and villains. he have lived all his life trying to be responsible for the creating the origin story of a super hero; he schemed and caused many incidents (many of them fatal) hoping that someday someone with superpowers would show up and save the day.

he knew himself very much. he saw himself as a villain of a real-life super hero story. he was aware of his strengths (more than smart enough for being manipulative and scheming) and weaknesses (having fragile bones and having to rely on his mind to succeed).

answer; ancient times;