What is the purpose of the "Healthy Brain Function and Emotional Well-Being" section of "All About Sleep"?

All About Sleep

to compare sleep patterns in children and adults

to explain specific ways that sleep deficiency leads to obesity

to recommend strategies to improve the quality of sleep and to explain how to avoid sleep deprivation

to explain specific benefits of sleep and to describe specific ways that sleep deficiency negatively affects behavior

Find the center and the radius of the circle with the equation: x^-2x+y^2+4y+1=0

The consequence of jim smiley’s human foible adds to the story’s humor. what foible does smiley demonstrate?

Read the excerpt from the dark game: true spy stories from invisible ink to cia moles. yet, by the time robert e. lee surrendered to ulysses grant at appomattox, virginia, some four years later, about 620,000 soldiers had died on the battlefields, more than american battle deaths in all other wars from the revolution through the vietnam war. what is the author’s primary purpose for including this detail? to inform readers about the differences between three military conflicts to persuade readers of the seriousness of the american civil war to entertain readers with tales from behind the lines of battle to encourage readers to visit battlegrounds in appomattox, virginia