if feeling
incapable of sleeping, the patient should get up from bed
and go to another place to do some relaxing activity in
an environment with little light, and only go back to bed
when feeling somnolence again; to keep to a fixed time
for waking up, seven days per week, independently of the
amount of sleep obtained; not to nap or to lie down during
the day, to remove the TV, stereo and computer from
the bedroom; not to eat, read, work, watch TV or use a
computer in the bedroom/bed.