Question

the average adult needs about 8 hours of sleep each night. when should teens go to bed relative to adults if they wake up at the same time?
1 to 2 hours earlier
20 to 30 minutes earlier
20 to 30 minutes later
1 to 2 hours later

Explanation:

Teens generally need more sleep than adults. If waking - up time is the same, they should go to bed earlier. On average, teens need 9 - 10 hours of sleep compared to adults' 8 hours, so they should go to bed 1 - 2 hours earlier.

Answer:

A. 1 to 2 hours earlier