What it is
DSIP is a nine-amino-acid neuropeptide identified in the 1970s during research into the mechanisms of deep, slow-wave sleep.
How it's described to work
Research explores its interaction with sleep architecture, stress-hormone regulation, and circadian signaling, though the mechanism is still not fully characterized.
What research discusses it for
Sleep quality researchStress response studiesCircadian rhythm research
Important context
Human data is limited and mixed. Provided as education only.