Hypothesis: If we expose our test subjects to blue light 2 ½ hours before attempting to fall asleep, then we will be able to prove that the time it takes an individual to fall asleep will be increased.

Background

The Nervous System:

  • Controls the body and is responsible for communication
  • Composed of brain, spinal cord, nerves, and sensory organs
  • Central Nervous System (CNS)
  • Peripheral Nervous System (PNS)

Sleep:

  • Takes 10-20 minutes to fall asleep
  • If less, individual is sleep deprived
  • Circadian rhythm
  • Rising levels of adenosine and melatonin

Eyes:

  • Optic nerves carry info to brain from eyes
  • 3 layers: sclera, choroid, retina
  • Eyesight can be affected by age, stress, diet, diabetes, and genetic factors

Blue Light:

  • Helps regulate biological clocks
  • Antidepressant
  • Reduces melatonin secretion
  • Insomnia, blood pressure problems, diabetes, migraines
  • Retinal stress
  • Sunlight
  • Passes retina and reaches cornea
  • Increases risk of macular degeneration
  • Less REM sleep

Experimental Group A:

Subject 1A: Female, 26, teacher

Subject 2A: Female, 38, construction worker

Subject 3A: Female, 45, surgeon

Subject 4A: Male, 28, bartender

Subject 5A: Male, 53, sales associate

Subject 6A: Male, 37, police officer

Experimental Group B:

Subject 1B: Female, 27, musician

Subject 2B: Female, 50, athletic coach

Subject 3B: Female, 33, chef

Subject 4B: Male, 37, bartender

Subject 5B: Male, 55, business owner

Subject 6B: Male, 30, plumber

Control Group:

Subject 1C: Female, 29, veterinarian

Subject 2C: Female, 42, unemployed

Subject 3C: Female, 33, stay at home mom

Subject 4C: Male, 47, IT worker

Subject 5C: Male, 25, military

Subject 6C: Male, 42, lawyer

Conclusion

  • Group A took 22.45 minutes on average to fall asleep
  • Group B took 13.21 minutes on average to fall asleep
  • The control group took 16.38 minutes on average to fall asleep
  • Over the span of week group B got about 64.68 more minutes of sleep than Group A (about 9 minutes per night)
  • The control group got 44.2 more minutes of sleep than Group A (about 6 minutes per night)

Credits:

Created with images by Unsplash - "phone photography camera" • jieyirain - "smartphone blackberry phone" • postman.pete - "Big Blue.........................." • idleman - "Lamps"

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