To Combat Insomnia, All but Which of the Following Are

To combat insomnia, all but which of the following are recommended in the text?

A) Before going to bed, write down any reminders, concerns, or other things that are on your mind.
B) Picture relaxing scenes in your mind as you go to sleep.
C) Avoid any activities in bed besides sleeping.
D) Establish a regular exercise program 1-2 hours before going to bed.
E) Get out of bed if you have not fallen asleep within 20 minutes.