SLEEP DISORDER true-or-false answers
(from page 49).
1. False. No evidence shows that any
major organ in the body—including the
brain—shuts down during sleep. Some physiological processes actually become more
active while you sleep, such as secretion of
certain hormones and activity in the brain
related to learning and memory.
for your health
GE T T Y IMAGES
make up for impaired performance during
the week because of not sleeping enough.
Furthermore, sleeping later on the weekends
can affect your biological clock so that it is
much harder to go to sleep at the right time
on Sunday nights and get up early on Monday.
2. False. Older people don’t need less
sleep, but often get less sleep or find sleep less
refreshing. As people age, they spend less
time in the deep, restful stages of sleep and are
more easily awakened. Older people are also
more likely to have medical conditions that
disrupt their sleep.
3. False. While this can relieve part of a
sleep debt, it will not completely make up for
the lack of sleep. This pattern also will not
4. False. Although worry or stress can
cause a short bout of insomnia, a persistent
inability to fall asleep or stay asleep at night
can be caused by a number of other factors.
Certain medications and sleep disorders can
keep you up at night. Other common causes
of insomnia are depression, anxiety disorders
and medical conditions such as asthma or
arthritis that have symptoms that become
more troublesome at night.
5. False. Naps do not substitute for a good
night’s sleep, but they can be restorative and
help counter some of the impaired performance that results from not getting enough
sleep at night. Avoid taking a nap late in the
day because it can interfere with your ability
to fall asleep at night. Limit naps to one hour
or less because longer naps make it harder to
wake up and get back in the swing of things.
Taking frequent naps during the day may
indicate a sleep disorder that needs attention.
Source: Top 10 Sleep Myths—Your Guide to
Healthy Sleep, available as a PDF from the
National Center on Sleep Disorders Research,
MAY 2010 ;e Costco Connection 51