A 19-year-old first-year college student reports that she feels very sleepy by 6 or 7 in the evening and has to go to bed. She says that she wakes up very early in the morning and finds herself to be...

A 19-year-old first-year college student reports that she feels very sleepy by 6 or 7 in the evening and has to go to bed. She says that she wakes up very early in the morning and finds herself to be more alert then. What best describes this sleep pattern? A. Delayed sleep phase syndrome B. Advanced sleep phase syndrome C. Hypersomnia D. None of the above