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 they wake up at the same time, they should go to bed earlier. The average teen needs about 9 - 10 hours of sleep. If adults need 8 hours, the difference is 1 - 2 hours.

Answer:

1 to 2 hours earlier