jetlags
Time zone fatigue
Jetlags is the plural of jetlag, the fatigue and disorientation from rapid travel across time zones.
The plural appears when distinguishing separate episodes: After years of transatlantic flights, the jetlags blur together.
More often, jetlag remains uncountable: The jetlag was brutal.
Internal time-keeping system
- melatoninCircadian rhythm regulator
- sleep cycleRepeating phases of rest
- rhythmPatterned stress and silence
- adjustmentAlteration to improve fit
resynchronization · light exposure · darkness · wake cycle · hormones · internal clock · biological rhythm · daylight
Circadian rhythm regulator
- caffeineMethylxanthine stimulant compound
- hydrationBodily fluid replenishment
- nappingSleeping briefly, often midday
- sunlightRadiance from our star
sleep aids · rest · recovery · adaptation · acclimation · fasting · exercise · light therapy
Weariness from prolonged exertion
- insomniaPersistent inability to rest
- drowsinessState of near-sleep
- disorientationLoss of spatial awareness
- grogginessState of sluggish disorientation
exhaustion · irritability · lethargy · headaches · brain fog · sleepiness · malaise · sluggishness
Scheduled air travel segments
- time zonesRegional clock-setting divisions
- long-haulCovering great distances
- red-eyeLate-night transcontinental flight
- internationalConcerning relations among countries
transatlantic · transpacific · airports · arrivals · departures · layovers · connections · boarding
body clock
Internal time-keeping system
- melatoninCircadian rhythm regulator
- sleep cycleRepeating phases of rest
- rhythmPatterned stress and silence
adjustment · resynchronization · light exposure · darkness · wake cycle · hormones · internal clock · biological rhythm · daylight · sunrise
melatonin
Circadian rhythm regulator
- caffeineMethylxanthine stimulant compound
- hydrationBodily fluid replenishment
- nappingSleeping briefly, often midday
sunlight · sleep aids · rest · recovery · adaptation · acclimation · fasting · exercise · light therapy · sleeping pills
fatigue
Weariness from prolonged exertion
- insomniaPersistent inability to rest
- drowsinessState of near-sleep
- disorientationLoss of spatial awareness
grogginess · exhaustion · irritability · lethargy · headaches · brain fog · sleepiness · malaise · sluggishness · tiredness
flights
Scheduled air travel segments
- time zonesRegional clock-setting divisions
- long-haulCovering great distances
- red-eyeLate-night transcontinental flight
international · transatlantic · transpacific · airports · arrivals · departures · layovers · connections · boarding · crossing
jetlagsacclimatization
Adjusting to new conditions
adapted · acclimated · settled in · recovered