Library / DSIP
Some human studies
DSIP
Neuropeptide · Mind & sleep · Delta sleep-inducing peptide
What it is
A small brain peptide first found in the 1970s and named for its apparent effect on deep sleep in rabbits.
What research covers
Small human studies in the 1980s and 90s gave mixed and inconsistent results for insomnia. How it works is still not understood.
Reported side effects
- Little reliable safety data
- Daytime tiredness
- Headache
Not suitable for, or talk to a doctor first
- Pregnancy
- Sleep apnoea, without medical advice
Legal status
| Australia | Not an approved medicine in Australia. Peptides like this are generally prescription-only (Schedule 4) and need a prescription to import. Check current rules with the TGA. |
|---|---|
| United States | Not FDA-approved. |
| Sport | Athletes should check the current WADA prohibited list, which changes every year. |
Rules change. Check with the TGA (Australia), your local regulator, or WADA for sport.
Key references
- Effects of delta sleep-inducing peptide on sleep of chronic insomniac patients. A double-blind study. Neuropsychobiology, 1992.
General information, not advice. Talk to a qualified healthcare professional before starting, changing or stopping anything.