The presentation cites studies done by highly reliable sources. For example, Charles Czeisler from Harvard Medical School and the National Sleep Foundation are both cited. What is the purpose of including these sources? Be sure to use information from the presentation to support your answer.

Anne frank was a very difficult person because she would never listen to her moms sometimes her dad even though he was her favorite and in times like that it would make it harder for there parents and other people in the annex to deal with her and since they were just stuck in there the couldn’t do anything but grounding her but even that didn’t work. hope that :