A lack of sleep can negatively affect many areas of your life.

a. True

b. False

The question is asking to to state whether the following statement is true or false: "A lack of sleep can negatively affect many areas of your life.". Lack of sleep can make you tired and unfocused at school, and your grades might suffer. Further, you might be irritated so your social life might suffer (you would not be as nice to other people). It can also affect your health - so, yes, it can affect negatively many areas of your life (true)