EmergingCognitiveSleep

DSIP

Delta Sleep-Inducing Peptide

Delta Sleep-Inducing Peptide | Sleep & Stress Modulator

Half-life

~15 minutes (in vitro)

Chain length

9 amino acids

Reference frequency

1x daily

Research overview

DoseGear research brief

DSIP is a naturally occurring nonapeptide discovered in 1974 in rabbit brain. Originally isolated for sleep-promoting properties, it has diverse neuromodulatory effects including stress reduction, pain modulation, and endocrine regulation without traditional sedative effects.

Mechanism of action

Modulates multiple neurotransmitter systems including GABA enhancement, NMDA receptor interaction, and endogenous opioid system modulation. Also regulates hypothalamic-pituitary-adrenal axis for stress response.

Compound background

Development & research timeline

Study windows describe what researchers measured, not when an individual should expect a result.

Origin & development

Nonapeptide isolated in rabbit sleep-related research in the 1970s.

What it is researched for

Sleep, pain, and stress-related research with proposed neuromodulatory activity and no definitive receptor mechanism.

Research observation window

A small human IV study measured sleep within 130 minutes; a pain pilot used ten days.

Reference data

Lyophilized vial injectable protocols

Not personalized dosing instructions

Only injectable vial references are shown. Nasal, topical, and unsupported non-vial schedules are excluded.

Research context	Amount	Frequency	Route
Sleep enhancement	100-200mcg	Once nightly	SubQ
Chronic pain support	250-300mcg	Daily	SubQ or IV
Stress management	150mcg	Evening	SubQ
Withdrawal support	200-300mcg	Twice daily	IV preferred
Athletic recovery	100-150mcg	Post-training	SubQ

Reference cycle

5-10 days

Reference storage

2-8°C refrigerated

Safety context

Reported side effects

Generally well-tolerated with minimal side effects
Mild drowsiness or dizziness initially (some users)
Occasional headaches in sensitive individuals
No tolerance or dependence reported in studies

Contraindications & cautions

Avoid driving until effects are known
Pregnancy or breastfeeding

Scientific references

01
Effects of Delta Sleep-Inducing Peptide on Sleep of Chronic Insomniac Patients: A Double-Blind Study
Scientific citationEffects of Delta Sleep-Inducing Peptide on Sleep of Chronic Insomniac Patients: A Double-Blind Study. Neuropsychobiology (1992).
02
Therapeutic Effects of Delta-Sleep-Inducing Peptide (DSIP) in Patients with Chronic, Pronounced Pain Episodes: A Clinical Pilot Study
Scientific citationTherapeutic Effects of Delta-Sleep-Inducing Peptide (DSIP) in Patients with Chronic, Pronounced Pain Episodes: A Clinical Pilot Study. European Neurology (1984).
03
DSIP in the Treatment of Withdrawal Syndromes from Alcohol and Opiates
Scientific citationDSIP in the Treatment of Withdrawal Syndromes from Alcohol and Opiates. European Neurology (1984).
04
Acute and Delayed Effects of DSIP (Delta Sleep-Inducing Peptide) on Human Sleep Behavior
Scientific citationAcute and Delayed Effects of DSIP (Delta Sleep-Inducing Peptide) on Human Sleep Behavior. International Journal of Peptide and Protein Research (1983).

This DoseGear profile combines published scientific literature with lyophilized-vial protocol references. Citations are provided for independent review.

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