circadian
Twenty-four hour cycle
Circadian describes biological rhythms that follow a roughly 24-hour cycle, synchronized with day and night.
The circadian rhythm governs sleep-wake patterns, hormone release, and other bodily processes.
Jet lag and night-shift work disrupt circadian cycles.
Her circadian clock was completely off after the transatlantic flight.
Innate cycle regulator
- melatoninCircadian rhythm regulator
- sleep-wake cycleDaily pattern of rest
- entrainmentRhythmic systems aligning naturally
- oscillationRepeated back-and-forth movement
endogenous · chronotype · biorhythm · periodicity · synchronization · desynchronization · phase shift · resetting
- dawnDay's first glow
- duskDimming after sundown
- daylightSun's natural glow
- nighttimeDark hours between dusk and dawn
daytime · sunrise · sunset · morning · evening · timekeeping · photoperiod · seasonal
Post-flight sleep disruption
- shift workLabor in timed blocks
- desynchronizationLoss of coordinated timing
- sleep disorderCondition disrupting normal rest
- insomniaPersistent inability to rest
phase shift · light pollution · night shift · red-eye flight · time zone · fatigue · grogginess · adjustment
Time-optimized medical treatment
- sleep studyDiagnostic overnight monitoring session
- light therapyTreatment using bright lamps
- sleep hygieneBehaviors promoting better rest
- sleep medicinePharmaceutical inducing slumber
biological clock
Innate cycle regulator
- melatoninCircadian rhythm regulator
- sleep-wake cycleDaily pattern of rest
- entrainmentRhythmic systems aligning naturally
oscillation · endogenous · chronotype · biorhythm · periodicity · synchronization · desynchronization · phase shift · resetting · photoreceptor
daily rhythm
nighttime · daytime · sunrise · sunset · morning · evening · timekeeping · photoperiod · seasonal
jet lag
Post-flight sleep disruption
- shift workLabor in timed blocks
- desynchronizationLoss of coordinated timing
- sleep disorderCondition disrupting normal rest
insomnia · phase shift · light pollution · night shift · red-eye flight · time zone · fatigue · grogginess · adjustment
chronotherapy
Time-optimized medical treatment
- sleep studyDiagnostic overnight monitoring session
- light therapyTreatment using bright lamps
- sleep hygieneBehaviors promoting better rest
circadianarrhythmic
Lacking regular beat
irregular · acyclic · desynchronized · random · erratic
- circadian rhythmBuilt-in sleep-wake cycle
- circadian clockInternal 24-hour biological timer
- circadian cycleBody's daily biological pattern