Jacques' circadian rhythm is out of control as he travels from Los Angeles to Paris, due to the fact that he is sleepy when it is still daylight outside.
What is circadian rhythm
Corresponds to changes in the mental and physical states of human beings that are repeated in a 24-hour period. These changes correspond to people's internal clock, which is influenced by light.
Therefore, on a trip where there are different time zones, it is common for the circadian rhythm to be altered, known as the term jet lag, which can be alleviated through healthy habits such as resting before the trip and good nutrition.
Find out more information about circadian rhythm here:
https://brainly.com/question/857658
