1. Circadian Rhythm Sleep-Wake Disorder = A pattern of recurrent sleep disturbance caused by a disrupted biological sleep-wake cycle or a mismatch between environmental demands and a person's internal "clock".

• What are some examples of jobs that would be particularly susceptible to circadian rhythm sleep disorders?
• Have you ever had a problem related to really bad jet lag or something similar?

2. According to the National Sleep Foundation (2014):

• Most Americans sleep much less than 8 hours per night.
• Women, younger adults, and shift workers report having more sleep difficulties.
• 37% of Americans report that lack of sleep interferes with job performance.
• 68% report that sleepiness interferes with concentrating.
• 51% report driving while driving while drowsy within the past year.
• 21% report dozing off behind the wheel!
• 58% reporting having difficulty falling asleep a few nights per week.
• 35% report having difficulty almost every night.
• 42% of men and 31% of women snore.
• 11% of men and 7% of women report having sleep breathing problems (i.e. sleep apnea).

Factors Associated with Sleep Deprivation

• Stress (26% of women &16% of men)
• Working the night shift (35% vs.19% of day workers)
• Pain (~20% of adults report having pain that interferes with sleep)
• Noise, light, temperature, etc. (16%)
• A snoring partner (22% of women and 7% of men)
• Nasal congestion (12%)
• Allergies (8%)

Consequences of Sleep Deprivation

• Difficulty with concentration, memory, and alertness
• Irritability
• Weight gain/increased appetite
• Difficulty tolerating stress or activity
• Blurred vision

Make a substantive post or reply:

• What are your reactions to these statistics?
• Can you relate to them?