Compound Library

Peptide / Sleep

DSIP (Delta Sleep-Inducing Peptide)

Endogenous neuropeptide that promotes deep (delta wave) sleep onset. Used for insomnia, sleep regulation, and stress modulation. Short half-life — intranasal or SubQ at bedtime.

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Educational reference only. This page does not diagnose, prescribe, or replace care from a licensed professional. Laws, availability, and clinical appropriateness vary by location.
Reference dose100–300 mcg SubQ or intranasal at bedtime
Half-life0.5 hours
Risk flaglow
Regulatory noteResearch-only flag

Side effects and watch-outs

  • Drowsiness (intended — time appropriately)
  • Mild headache
  • Nausea at high doses
  • Limited human pharmacokinetic data
  • May potentiate other CNS depressants