Write a question about the following article.

Wooo!I think I may be back on a normal sleep cycle again ! I got into bed around 11 , was asleep by 11:30(pm , not am ! ) . And I stayed asleep ! I woke up at 8:00 am too !

Question:
Why is the narrator looking so rested ?

a). None of the above choices ..
b). They are in bed by 8 ..
c). They are going to bed at 8 ..
d). They are on a shortened sleep cycle ..