sleep draft ver 2.2
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Draft version 2.2TRANSCRIPT
SLEEP & HEALTH
Presenter:
Logan Fan
❖ Different age groups have different average recommended hours of sleep
HOW MUCH SLEEP?
o Newbornso Newborns
o Infantso Infants
o Toddlerso Toddlerso Preschoolerso Preschoolers
o School Age Childreno School Age Children
o Teenso Teens o Adultso Adults
HOW MUCH SLEEP?
o 12 to 18 hourso 12 to 18 hours
o 14 to 15 hourso 14 to 15 hourso 12 to 14 hourso 12 to 14 hours
o 11 to 13 hourso 11 to 13 hours
o 10 to 11 hourso 10 to 11 hourso 8.5 to 9.5 hourso 8.5 to 9.5 hours
o 7 to 9 hourso 7 to 9 hours
UNIVERSITY STUDENTS
Men7 hoursMen7 hours
Women6.7 hours
Women6.7 hours
First Semester Year 1 StudentsFirst Semester Year 1 Students
Same Students in Year 4Same Students in Year 4
Men6.7 hoursMen6.7 hours
Women7.3 hours
Women7.3 hours
Year 1Year 1
Year 4Year 4
UNIVERSITY STUDENTS
Recommended7 to 9 hours
Recommended7 to 9 hours
Year 1Student
s
Year 1Student
s
Year 4StudentsYear 4
Students
6.7 to 7 hours6.7 to 7 hours 6.7 to 7.3 hours6.7 to 7.3 hours
LOWER GPA AND LATER BEDTIME
More hours of sleep ≠ better marksEarlier bedtime translates to better marks
More hours of sleep ≠ better marksEarlier bedtime translates to better marks
Grumpiness
LACK OF SLEEP: EFFECTS
Feeling Tired
Memory Loss
Poor Concentration
What about on health?
Risk of serious medical conditions:
LACK OF SLEEP: HEALTH EFFECTS
ObesityHeart diseaseDiabetes
ShortensLife expectancy
LACK OF SLEEP: HEALTH EFFECTS
Shorten Life expectancy?2014
Age 25
LACK OF SLEEP: HEALTH EFFECTS
Shorten Life expectancy?2013
Age 21
1 week short of completing his internship
LACK OF SLEEP: HEALTH EFFECTS
Shorten Life expectancy?2012
Age 18
Woke up after sleep, took a few steps and collapsed
LACK OF SLEEP: HEALTH EFFECTS
Animal studies show that sleep is necessary for survival.
Normal Sleep Rats
Deprived of Sleep
No Sleep
LACK OF SLEEP: HEALTH EFFECTS
Sleep appears necessary for our nervous systems to work properly. And in the human body, there are two nervous systems: Central (CNS) and Peripheral (PNS).
LACK OF SLEEP: HEALTH EFFECTS
The Central Nervous System (CNS), comprises of the brain and spinal cord, controls voluntary functions such as:
EmotionsSpeechMovements
Central / Peripheral
LACK OF SLEEP: HEALTH EFFECTS
Some peripheral nervous system (PNS) is under your voluntary control: connect the central nervous system (CNS) to the limbs and organs and send information back. Other parts of your PNS are controlled by the brain automatically/passively.
Central / Peripheral
ActiveFunctions
PassiveFunctions
Peripheral
(CNS)
LACK OF SLEEP: HEALTH EFFECTS
The autonomic nervous system manages some things your body does 'without thinking’:
'fight or flight' reactionworkings of your body during sleep and restworkings of your gut
Central / Peripheral
PassiveFunction
s“Autonomous Nervous System”
Peripheral
Studies have suggested an association between sleep duration and cancer in the past
2014 study results show significant association between sleep duration (< 6.5 hours) and increased lung cancer risk (both non-smokers and smokers)
Central / Peripheral
PassiveFunction
s“Autonomous Nervous System”
Peripheral
LACK OF SLEEP: HEALTH EFFECTS
Central / PeripheralLACK OF SLEEP: HEALTH EFFECTS
Cell Repair& Regeneration
Sleep
PassiveFunctions
Nervous System
LACK OF SLEEP: HEALTH EFFECTS
Research has shown that lack of sleep and dysregulation of daily sleep rhythms are linked to:
Cancer (Sahar & Sassone-Corsi, 2009)Type two diabetes (Huang et al., 2011)Metabolic syndrome (Wolk & Somers,
2007)Cellular stress (Hardeland et al., 2003)
and most seriously:Death (Montagna, 2005)
Research
LACK OF SLEEP: HEALTH EFFECTS
More than 1.5 million Canadians suffer
from Type 2 diabetes and this number is rising each year, despite the fact that this disease is often preventable
Diabetic young woman injecting herself with insulin to regulate her blood sugar levels
X-ray of foot of diabetic showing calcified artery
NAPPING
How does napping affect a person?
oNaps do not necessarily make up for
inadequate or poor quality nighttime sleep
oA short nap of 15-20 minutes can help to improve mood, alertness and performance.
NAPPING
15 min30 min1 hour2 hours
NAPPING
Are they different?
15 min30 min1 hr.2 hrs.
NAPPING EFFECTS
For short-term alertnessImproved alertness
and performanceNo feeling groggy No interfering with
nighttime sleepRelaxation and
rejuvenation
15 min30 min1 hr.2 hrs.
NAPPING EFFECTS
Nap >10-20 min leave people with sleep inertiaFeeling of grogginess
and disorientationImproved later
alertness and performance
NAPPING EFFECTS
Negative Effects
Disrupt sleeping periodsReduce length and quality of
nighttime sleep (if taken late)Increased risk of heart failure in
people already at riskStigmas
NAPPING STIGMA
Napping / Laziness• A lack of
ambition
• Only for children, the sick and the elderly
• Low standards
Getting Getting enough sleepenough sleep on on regular basisregular basis is the best is the best way to stay alert and way to stay alert and feel your best.feel your best.
CONCLUSION
American Medical Association. (2014). Nervous System. Retrieved from http://www.ama-assn.org/ama/pub/physician-resources/patient-education-materials/atlas-of-human-body/nervous-system-basic.page?
Blastr. (2012). Gamer dies after playing Diablo 3 for 2 days without food or sleep. Retrieved from http://www.blastr.com/2012/07/gamer_dies_after_playin.php
Bonnet, M., & Arand, D. (1996). Metabolic rate and the restorative function of sleep. Physiology & Behavior, 59(4-5), 777-782.
Businessweek. (2013). Intern's Death Prompts Debate Over Grueling Hours. Retrieved from http://www.businessweek.com/articles/2013-08-22/interns-death-prompts-debate-over-grueling-hours
Clerk of the Privy Council. (2014). Building Tomorrow's Public Service Together. Retrieved from http://www.clerk.gc.ca/eng/feature.asp?pageId=349#VII
Corbis. (2014). Alarm Clock. Retrieved from http://www.corbisimages.com/stock-photo/royalty-free/42-38399887/alarm-clock
Corbis. (2014). Businessman Sleeping in Meeting. Retrieved from http://www.corbisimages.com/stock-photo/royalty-free/42-19133954/businessman-sleeping-in-meeting
Corbis. (2014). College Students in Library. Retrieved from http://www.corbisimages.com/stock-photo/rights-managed/42-21022883/college-students-in-library
Corbis. (2014). Diabetic young woman injecting herself with insulin to regulate her blood sugar levels. Retrieved from http://www.corbisimages.com/stock-photo/rights-managed/42-60000810/diabetic-young-woman-injecting-herself-with-insulin
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REFERENCES 2
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