After Prolonged Sleep Deprivation, What Will Happen After Sara's First

After prolonged sleep deprivation, what will happen after Sara's first night of sleep?

A) She will have difficulty sleeping.
B) She will feel compelled to replace all of the lost sleep.
C) She will find that most symptoms are reversed by a single night's rest.
D) Her state will remain unchanged for at least five days until the effects of her sleep deprivation wear off.