Sleep research

Sleep physiology and experimental sleep research.

This topic groups related research questions. Shared biology does not make different peptides interchangeable, or establish a clinical benefit. Compare each paper’s population, preparation, and measured outcome.

DSIP

DSIP stands for delta sleep-inducing peptide. The name reflects its research history, while actual sleep outcomes require direct measurement.

Research topics

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Orexin-A

Orexin-A, also known as hypocretin-1, is a hypothalamic signaling peptide. The foundational paper identified orexin peptides and receptors and studied feeding responses in rats.

Research topics

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