Published by the Students of Johns Hopkins since 1896
December 10, 2025 December 10, 2025 | Published by the Students of Johns Hopkins since 1896

Science & Technology

VENTURIST/CC-BY-2.0 The circadian rhythm, which regulates sleep cycles, is more complicated than was thought.

Retina has its own circadian rhythm

By JOAN YEA | October 22, 2015

The suprachiasmatic nucleus (SCN), a wing-shaped structure in the hypothalamus, operates as the body’s internal clock, synchronizing circadian rhythms of separate tissues to generate an approximately 24-hour circadian cycle for the entire body.

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