To determine sleep needs, researchers sometimes conduct a survey ...

[jasdeep_brar]

To determine sleep needs, researchers sometimes conduct a survey study, comparing the hours of sleep reported by patients to
 
  A) the median age of the patient population.
  B) the age at which patients die.
  C) mitigating factors such as stress and medications.
  D) occupational and activity requirements of patients.

Question 2

Cited studies in the text show that a moderate increase in sleep duration improves
 
  A) alertness.
  B) task-based performance.
  C) mood.
  D) All of the answers are correct.

[meow1234]

Answer to Question 1

Answer: B

Answer to Question 2

Answer: D