Quick answer
What is Delta sleep-inducing peptide?
Built from index records dated 2026-10-09 to 2026-10-13 Compiled by an automated pipeline, checked by The Peptide Observer editorial desk How this site works
Delta sleep-inducing peptide is a peptide, grouped on this site under Endocrine and immune signalling peptides, and the 12 research records kept here are 6 from studies in rats or mice and 6 that do not state what kind of study it is.
The literature search returned 418 records. This site keeps 12 of them, which is 2.9 per cent of what came back.
What it is
This site puts it in the Endocrine and immune signalling peptides group.
No receptor target is established in the retrieved record set; the records report central effects after direct administration and evidence of blood-brain barrier transit.[1, 2]
Stated in the titles of the cited 1983 Neuroscience Letters and 1984 Brain Research papers.
What kind of records
The records kept here are animal and laboratory studies only.
That sentence is produced by counting, not by reading. What was counted: no interventional human trial record; 6 rodent and 0 in vitro records among 12.
What this does not settle
- What it does in a body. Counting records is not reading them, and nothing here has been read in full.
- Whether it causes harm. No adverse-effect row was taken from any source for this entry.
- How long it lasts. No pharmacokinetics source was retrieved for this entry.
- What the other 406 retrieved records say. They are not in this index.
The longer explanation
Where this comes from
The records cited above, in full.
- Increased sleep following intracerebroventricular injection of the delta sleep-inducing peptide in rats. Neuroscience letters (1983). pmid:6688864
- Evidence that [125I]N-Tyr-delta sleep-inducing peptide crosses the blood-brain barrier by a non-competitive mechanism. Brain research (1984). pmid:6547363