第24页 - 亮点给力提优课时作业本六年级英语译林版

B

A

C

F

 Blue light from phone screens stops your body from making enough melatonin. Exciting games make your heart beat fast. So stop doing that before bedtime.

F

 Running makes your body excited. This makes it hard to fall asleep and rest well. Don't exercise right before sleep.

F

 TV screens make blue light too! So sleep in a dark，quiet room without any screen.

T

 Warm milk is a good drink before sleep. Reading helps relax，and there's no blue light from books!