Reviewed by The Peptide Dispatch Editorial Team · Last reviewed July 6, 2026
DSIP (Delta Sleep-Inducing Peptide) (DSIP) is a sleep peptide, at the preclinical stage in the published literature. Nonapeptide naturally found in the brain that promotes delta wave sleep and has stress-reducing properties.
Nonapeptide naturally found in the brain that promotes delta wave sleep and has stress-reducing properties.
| Research Status | Preclinical |
|---|---|
| Half-Life | ~7 minutes (but effects last hours) |
| Administration | Subcutaneous or intranasal |
| Doses Reported in Published Studies | 100-250 mcg before bed |
Modulates sleep architecture, reduces cortisol, affects multiple neurotransmitter systems.
Nonapeptide naturally found in the brain that promotes delta wave sleep and has stress-reducing properties.
Modulates sleep architecture, reduces cortisol, affects multiple neurotransmitter systems.
DSIP (Delta Sleep-Inducing Peptide) is at the following stage in the published literature: Preclinical. All information is for research and educational purposes only.
Reported half-life: ~7 minutes (but effects last hours).
Reported administration route in the literature: Subcutaneous or intranasal. This is not a recommendation for human use.
Educational content, not medical advice. Effects described are drawn from cited research in study subjects.