System

Circadian Re-entrainment

The adaptive processes that adjust internal circadian timing in response to changes in light exposure, behavior schedules, and environmental cues.

How the body clock adjusts when schedules or time zones change.

Scope

Includes light-mediated phase shifting, behavioral cue integration, and circadian adjustment mechanisms. Distinct from Circadian Timekeeping, which generates the baseline circadian rhythm.

Primary domain

Sleep & Biological Rhythm

Patterns affecting this system

Circadian Drift Correction Capacity
This pattern describes what happens when the body adjusts how effectively it returns to a steady daily timing after disruption. Realignment continues, but the corrective strength shifts.
Circadian Phase Reset Sensitivity
This pattern describes what happens when the body adjusts how strongly it responds to signals that shift daily timing. Resetting continues, but the sensitivity moves.
Circadian Signal Stability
This pattern describes what happens when the body adjusts how consistent its daily timing signals remain. Signaling continues, but the steadiness shifts.
Internal Clock Plasticity
This pattern describes what happens when the body adjusts how easily its internal timing can adapt to change. Adaptation continues, but the flexibility shifts.
Phase Advance-Delay Bias
This pattern describes what happens when the body adjusts whether it more readily shifts earlier or later in the day. Realignment continues, but the directional tendency moves.
Re-entrainment Completion Threshold
This pattern describes what happens when the body resets the point at which it considers its timing fully adjusted. Re-entrainment still occurs, but the finish line shifts.
Sleep-Wake Realignment Rate
This pattern describes what happens when the body adjusts how quickly sleep and wake patterns realign after change. The process continues, but the tempo shifts.
Zeitgeber Responsiveness
This pattern describes what happens when the body adjusts how strongly it responds to signals like light, activity, and meals that guide daily timing. Responsiveness continues, but the sensitivity shifts.

Related systems

coordinates → Neuroendocrine Stress Regulation
How the brain and hormone systems activate and shut down the body's stress response.

Support roles related to this system

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