Skip to main content
Compound
Codex
Ledger
Hubs
Tools
Guides
Bloodwork
Forum
Browse
Ledger
All hubs
GLP-1 & weight loss
SARMs
Steroids & PEDs
GH secretagogues
Healing peptides
Melanocortins
Nootropic peptides
SERMs
Aromatase inhibitors
Cosmetic peptides
Mitochondrial peptides
Women
Compare
Watchlist
Topics
Reference
Guides
The toolkit
How we grade · the Codex Scale
Changelog
Testing labs
Citations
Calculator & converter
Bloodwork analysis
Marker reference
Resources
Community
Forum
Site
Home
About
Editorial process
Standards
Contact
Search
RSS
Independent reference & toolkit
100
compounds graded · Last reviewed June 2026
topics
/ insomnia
Tagged insomnia.
5/10 · Early
DSIP (Delta Sleep-Inducing Peptide)
DSIP is a naturally occurring brain peptide studied for sleep in small, dated trials with mixed results; modern human evidence is essentially absent.