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:

青少年通常比成年人需要更多睡眠。若青少年和成年人起床时间相同，青少年应比成年人早睡。一般青少年比成年人需要多1 - 2小时睡眠，所以青少年应比成年人早睡1 - 2小时。

Answer:

1 to 2 hours earlier