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1. ​ Modafinil

2. Subjective Effects of Modafinil in Military Fighter Pilots During Deployment

3. Effects of Modafinil on Cognitive Performance and Alertness During Sleep Deprivation

4. Excessive sleepiness in shift work disorder: a narrative review of the last 5 years

5. The effects of cigarette smoking on overnight performance

6. The Effects of Sleep Continuity Disruption on Positive Mood and Sleep Architecture in Healthy Adults

7. Wikipedia Bibliography:

   1. Modafinil

   2. Caffeine

   3. Placebo

   4. https://en.wikipedia.org/wiki/Royal_Netherlands_Air_Force  :

      https://en.wikipedia.org/wiki/Royal_Netherlands_Air_Force

   5. Statistical-significance