<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 15-year-old boy is brought to the physician with excessive daytime sleepiness over the past year. His parents are concerned with his below-average school performance over the last 3 months. He goes to bed around midnight and wakes up at 7 am on school days, but sleeps in late on weekends. He exercises regularly after school. He usually has a light snack an hour before bed. He does not snore or have awakenings during sleep. He has no history of a serious illness and takes no medications. The boy was born at 39 weeks gestation via spontaneous vaginal delivery. He is up to date on all vaccines and is meeting all developmental milestones. He does not smoke or drink alcohol. There is no history of a similar problem in the family. His vital signs are within normal limits. His BMI is 22 kgm2. Physical examination shows no abnormal findings. Which of the following is the most appropriate recommendation at this time?? A: Avoid snacks before bedtime, B: Decrease exercise intensity, C: Increase nighttime sleep hours, D: Take a nap in the afternoon, E: Take melatonin before bedtime,  <response>: This is a question about a 15-year-old boy with excessive daytime sleepiness affecting his school performance. The key findings are that he goes to bed late, wakes up early for school but sleeps in on weekends, exercises after school, has a snack before bed, and gets adequate sleep duration based on age. There is no evidence of underlying medical conditions or sleep disorders. The excessive daytime sleepiness is likely due to insufficient sleep during the weekdays when he has to wake up early for school. This is supported by his habit of sleeping later on weekends. His late bedtime, early school wakeup time, and weekend sleeping habits point to insufficient sleep during the week being the most likely cause of his sleepiness. Of the answer choices, increasing nighttime sleep hours by going to bed earlier is therefore the most appropriate recommendation to address the root cause of his insufficient sleep. The other options may help marginally but do not address the underlying issue of insufficient weekday sleep.C: Increase nighttime sleep hours 