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Peptides/DSIP
Nonapeptide (sleep modulator)

DSIP

Endogenous nonapeptide associated with delta-wave sleep. Effects on sleep architecture are inconsistent in human trials.

Human observational · t½ ~7 min · 100–500 mcg pre-sleep

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BHuman observationalHuman observationalNonapeptide (sleep modulator)

Also: Delta Sleep-Inducing Peptide

Endogenous nonapeptide associated with delta-wave sleep. Effects on sleep architecture are inconsistent in human trials.

Scientific Consensus Engine

Evidence Intelligence Score™

Heuristic — no indexed evidence yet
5.2/ 10
Overall confidence
Emerging
Outlook
Emerging
Evidence maturity
  1. Preclinical
  2. Pilot human← current
  3. RCT
  4. Multi-RCT
  5. Meta-analysis

Confidence aggregates eight dimensions of evidence — human data, safety maturity, mechanism, clinical readiness, momentum, consistency, long-term follow-up, and translational signal. It is a measure of what is known, not a recommendation. Methodology.

Eight-dimension breakdown
  1. Human evidence
    Weight of RCT and observational data
    6.3
  2. Safety maturity
    Follow-up depth and adverse-event signal
    5.3
  3. Mechanism confidence
    Pathway specificity and clarity
    6.1
  4. Clinical readiness
    Distance to physician-prescribable use
    5.4
  5. Research momentum
    Recency of indexed clinical evidence
    5.0
  6. Study consistency
    Effect direction across cohorts
    4.4
  7. Long-term data
    Follow-up beyond initial trial windows
    3.6
  8. Translational confidence
    Animal → human signal preservation
    6.0
Strongest supported claim

Early human signals exist, primarily from observational and pilot work — directional, not definitive.

Weakest / unclear

Translational confidence is limited until pre-registered human trials reproduce the preclinical signal.

Major unknowns

Interactions outside listed contraindications, long-term safety, and effect heterogeneity across age and sex are not fully resolved.

Scientific outlook

Outlook: directional. The next 12–24 months of registered trials will determine whether the early signal holds.

Reported outcomes · graded
Recovery & sleep
Dgrade
2.5
Mechanism
Unclear; possible GABAergic and opioid modulation.
Reported uses
  • Recovery & sleepAnecdotal→
Citations
  • Schneider-Helmert & Schoenenberger, 1983 — Experientia
What we don't know yet
  • —Long-term safety beyond reported study durations.
  • —Effect size in populations under-represented in the cited trials.
  • —Interactions with concomitant medications outside listed contraindications.

We surface uncertainty next to every claim. Suggestive, never prescriptive — discuss with a clinician.

Editorial team
Independent · No affiliate revenue
Reviewed quarterly
Typical dose100–500 mcg pre-sleep
Half-life~7 min
RoutesSubcutaneous · Intranasal
Evidence tierHuman observational
Safety confidence
Short
Mid
Long-term

No indexed safety data yet — bars reflect editorial tier baseline.

Contraindications
  • — Pregnancy

Suggestive, never prescriptive. Discuss with a clinician.