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Examine the language, claims, and reasoning of the source carefully

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Ask what other sources say about the evidence

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Consider the historical context of each source

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Evaluate the reliability of each source you use

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1. Sleep deprivation can have profoundly negative impacts on global functioning.

2.The average adult human requires roughly eight hours of sleep to maintain proper physical and mental health.

3.According to Derickson, 85 percent of American soldiers in the Italian campaign slept fewer than 6 hours, while 31 percent slept fewer than 3 hours per night.

4. Sleep deprived individuals are more prone to task errors, experience higher levels of psychological stress, are less likely to properly follow orders, are more likely to take shortcuts in decision making, and suffer from potential muscle atrophy.

5.They need to overcome fatigue was a challenge, one that needed a fast-acting solution.

6. For many governments, psychostimulant drugs would answer the call.