What Is the Relationship Between Performance and Self-Perception Among Sleep

What is the relationship between performance and self-perception among sleep deprived participants, based on evidence from research that tests the cognitive abilities of people who have been sleep deprived?

A) They perform poorly, but feel as if they have performed well.
B) They perform poorly, but not so poorly as they expected.
C) They perform well, but are overconfident.
D) They perform well, but feel as if they are performing poorly.