[contentuser]

Causes



A Hypothetical Case

If a person flies across several time zones rapidly, then they cannot immediately resynchronize their biological clock with the new day and light cycle. The inability to adjust circadian rhythms during this "lag" time in synchronicity is called jet lag.


For example, a traveler bound for New York leaves Cairo, Egypt, at 6 a.m., travels eastbound for seven hours, and arrives in New York at 6 a.m., New York time. So, the traveler arrives at the same tim...Read the full article