If we fly westward for five hours,there will be a phase delay,and our sleep cycle will be pushed back five hours.What does this mean?

Name: If we fly westward for five hours,there will be a phase delay,and our sleep cycle will be pushed back five hours.What does this mean?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Flying westward and experiencing a phase delay means our internal clock is adjusted to a later time, effectively making our perception of a day longer by the duration of the flight, hence a 24-hour day feels like 29 hours.

If We Fly Westward for Five Hours,there Will Be a Phase