Exposure to which of the following contributes to circadian photoentrainment, resulting in a "phase advance"...

Understanding Circadian Photoentrainment: This refers to how light exposure adjusts our biological clock, influencing our sleep-wake cycle.

Phase Advance: A phase advance means your internal clock shifts to an earlier sleep and wake time.

Light Timing Matters: Early morning sunlight exposure is the strongest trigger for a phase advance. The light signals to your body that it's time to start the day.