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jet lag |
Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson | 0.03 sec. |
jet lagPeriod of adjustment of biological rhythm after moving from one time zone to another, experienced as fatigue and lowered efficiency. It reflects a delay in the synchronization of changes in the level of blood cortisol, the major steroid produced by the adrenal cortex (see adrenal gland), with the local day-night cycle. Duration and severity depend on how much distance is covered in how little time. Travel by jet, after which the phenomenon may persist for some days, first made it noticeable, accounting for the name. |
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Kahn was jet-lagged and running a fever after a journey home with his wife, Sarah, that began Thursday morning in Saudi Arabia , with stops in Germany and Washington, D. Hide those jet-lagged eyes with a pair of large metal Ray-Ban aviator sunglasses with gray lenses, $99. net), but my favorite thing she's ever done is a drawing she made one jet-lagged night in America. |
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