Which of the Following Is Most Likely to Cause a Person

question 171

Multiple Choice

Which of the following is most likely to cause a person to have difficulty falling asleep (at least temporarily) ?

• A) staying in a cave-like environment with no cues to time of day
• B) traveling across several time zones to the west (where the person goes to bed later)
• C) traveling across several time zones to the east (where the person goes to bed earlier)
• D) changing from standard time to daylight savings time