Sleep
Limited
Research chemical

DSIP

Also known as Delta Sleep-Inducing Peptide

New

Reconstitution & dosing guide

2 mg · 5 mg · 10 mg vial sizes — research phases, recon steps, and a live unit calculator.

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Available sizes & price

Catalog only

2mg x 10 vials

DSIP (DS2) · Not in current stock

$20 / vial

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5mg x 10 vials

DSIP (DS5) · Not in current stock

$25 / vial

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10mg x 10 vials

DSIP (DS10) · Not in current stock

$40 / vial

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Prices per vial · Research use only · Not medical advice.

Neuropeptide historically studied for sleep induction and stress modulation; mixed evidence.

How to picture it

Sleep isn't one switch — it's a multi-stage playlist, and deep slow-wave (delta) sleep is the heavy restoration track. DSIP was isolated from animals in deep sleep and studied as a signal that may favor that deep stage and calm stress-axis chatter (HPA). The receptor story is still incomplete, so the honest picture is a short neuropeptide historically linked to "play the deep-sleep track and dial down stress-hormone noise" — coaching the night shift rather than forcing lights-out.

Research focus & benefits

  • Delta-wave and sleep-architecture research history
  • Stress and HPA modulation interest
  • Recovery-sleep pathway studies

Benefits describe research interest and pathway rationale — not guaranteed outcomes or medical advice. Research use only.

Overview

DSIP is a nonapeptide isolated in the 1970s and investigated for sleep promotion, pain, and withdrawal syndromes. Results have been inconsistent. It still appears in peptide sleep stacks online.

Mechanism

Not fully elucidated; proposed modulation of sleep architecture, HPA axis, and neurotransmitter systems.

Research uses

  • Sleep research
  • Withdrawal and stress models
  • Pain research (historical)

Research dosing notes

Night-time research dosing discussed; not a replacement for CBT-I or medical sleep care.

Open full reconstitution & dosing guide →

Half-life / kinetics

Short

Common research routes

Subcutaneous injection
Intranasal

Reported considerations

  • Vivid dreams
  • Next-day grogginess (variable)
  • Limited safety data

Contraindications / cautions

  • Narcolepsy and complex sleep disorders need specialists
  • Pregnancy

Common research stacks

  • Epithalon
  • Magnesium / glycine basics
  • Sleep restriction therapy concepts

Legal / access note

Not an approved hypnotic drug.