1. Did you have a good sleep last night?

2. Fact Or Myth In Sleep
Presenter: 韩霏
ID:

3. Definition
Sleep is a naturally recurring state characterized by reduced or absent consciousness, relatively suspended sensory activity, and inactivity of nearly all voluntary muscles.
The purposes and mechanisms of sleep are only partially clear and are the subject of substantial research.
Sleep is often thought to help conserve energy, but decreases metabolism only about 5–10%.

4. Timing of Sleep Myth Fact Reason ● ● ● Equivalent effect
at night & in daytime ●
Fact
Specific duration
at night ●
Reason
Circadian clock in the body

5. & Promotion of cell proliferation
Timing of Sleep
Circadian Clock
Hypothalamus
Production of Chemicals in deep sleep
ROS, SOD
Repair of cell injury
& Promotion of cell proliferation

6. Snoring in sleep Myth Fact Reason ● ● ● Common & Not Harmful Serious
& Detrimental ●
Reason
Predictive on OSA (Obstructive Sleep Apnea)

7. Snoring in sleep Causes Impacts ● ●
Vibration of respiratory structures
Generation of sound due to obstructed air movement ●
Impacts
Prediction on OSA (repetitive pauses in breath)
Reduction of blood oxygen levels
Promotion of chances to get health problems
(Heart attack(+34%) & Stroke(+67%))

8. Drink before Sleep Myth Fact Reason ● ● ● Sleep Promoter
Sleep Disrupter ●
Reason
Sleep Fragment caused by alcohol

9. Drink before Sleep Less Restful Sleep Ingestion of Alcohol
3 Stages of Sleep ①
Acceleration to sleep onset ②
Improvement on deep sleep ③
Increase in nighttime awakenings
( Attenuation of alcohol function)
Less Restful Sleep

10. Other Myths No relationship between sleep and diseases
(Obesity, Diabetes and Hypertension)
Daytime sleepiness as a sign:
Not getting enough sleep
Excising before bed as a sleep promoter
Ignorance of the sleeping time-span ……

11. Better Sleep, Better Life
Summary
Better Sleep, Better Life
No ignorance of the importance of sleep timing (according to the circadian clock )
No random at bed and wake time
No overlooking on the common phenomena during sleep, especially for those with CVD
No alcohol before bedtime

12. References
[1]
[2]
[3]
[4]
[5] "Snoring 'linked to heart disease'". BBC News Retrieved
[6]
[7]
[8]
[9]
[10]

13. References
[11] Sands M, Loucks E B, Lu B, et al. Self-reported snoring and risk of cardiovascular disease among postmenopausal women (from the Women's Health Initiative)[J]. Am J Cardiol, 2013,111(4):
[12] Mosca M, Aggarwal B. Sleep duration, snoring habits, and cardiovascular disease risk factors in an ethnically diverse population[J]. J Cardiovasc Nurs, 2012,27(3):
[13] Whitton S. Nighty night sleep tight--health benefits of a good night's sleep[J]. Insight, 2012,37(4):22

14. Thank You!