According to Your Text, Which of the Following Might Be

Multiple Choice

 According to your text, which of the following might be evidence that you have normal ultradian rhythms?

A)  
Even though you love your psychology professor's lectures, about halfway through the second hour of class, you find yourself nodding off.
B)  
You are always hungry first thing in the morning no matter how late you ate the night before.
C)  
You are always awake by 7 a.m. no matter how late you stay up the night before.
D)   You always sleep eight hours every night (no more, no less) unless you set your alarm to wake you earlier.