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Flashcards in chapter 9 (test 2) Deck (12):
1

24 hour society

stealing time from the night
- until industrial revolution, jobs as we know barely existed
- when time is the scarce resource, the night is the source of the supply

2

dangers of a 24 hour society

- biological time affects productivity and health of a nation
- sleepiness surpasses alcohol and drugs as the greatest identifiable and preventable cause of accidents in all modes of transport

3

electricity - the revolutionary

- provided a steady, reliable source of illumination at night
- 2 billion bulbs sold each year
- 1/4 of electricity is used for light
- jet travel contributes to light exposure at unusual hours

4

shift work

- exposed to light when brain expects darkness
- SCN tries to adapt to new daytime which should take 12 days

5

consequences of shift work

- blood sugar imbalance and diabetes
- inhibited mental performance
- increased risk of injury and accidents
- chronic fatigue

6

cognitive burdens of shift work

- effects on memory
- impaired work performance and learning
- concentration is impeded

7

social burdens of shift work

- negatively affects quality of life, with a significant decrease in patients with SWSD
- increased incidence of work-related/automobile accidentss

8

SWSD

shift work sleep disorder

9

what does shift work do to women's health

- cancer (melatonin disruption)
- metabolic syndrome (increases obesity)
- increase in smoking, poor diet, and sedentary behavior

10

jetlag

- imbalance in our body's natural biological clock caused by traveling to different time zones

11

key to 24 hour society

artificial light

12

how much of workforce has their sleep disrupted because of work

1/5