During adolescence, what is the typical sleep pattern and its impact on mood and functioning?

During adolescence, what is the typical sleep pattern and its impact on mood and functioning?

• A. Early bedtimes and wake times; sleep deprivation improves mood.
• B. Delayed sleep phase with later bedtimes and wake times; sleep deprivation can worsen mood, executive function, and academic performance.
• C. No consistent pattern; sleep deprivation has no effect on mood.
• D. Regular sleep schedule with no variation; enhances mood and performance.

Answer: (B)