Answers

1. False. Sleep need does not change with age, but adequate sleep may be more difficult to achieve due to medical problems, medications, pain and hormonal changes.

2. True. Dreams are only recalled if a person wakes up during or shortly after the dream.

3. False. If you are unable to get enough sleep at night, a short nap (90 minutes or less) in the afternoon is a good idea, as long as it does not prevent you from falling asleep that night.

4. False. Even if you feel awake, studies show decreased alertness and performance with less sleep.

5. True. On average, teens need nine to 10 hours of sleep a day. Adults need about eight hours.

6. False. These measures may briefly increase alertness but will not prevent sudden sleep. For a short-term fix, drink two cups of coffee (or the equivalent caffeine) or stop and take a short nap.

7. True. Snoring in women increases following menopause.

8. True. If a parent has a history of sleepwalking, his or her child has a 50 percent chance of doing it as well.

9. False. Sleepiness during inactivity is an early sign of sleep deprivation.

10. True. The only time exercise may pose a problem is if vigorous exercise is done shortly before bedtime. This may delay sleep onset.