[Analysis of the action of the sleep neuropeptide (DSIP) on sleep organization in cats and rats].
Maksimuk. V F VF
Key Findings
- DSIP administration reduced total REM (paradoxical) sleep duration in cats and rats.
- The reduction in REM was larger than any increase in slow‑wave (deep) sleep.
- Similar REM disturbances occur during REM‑sleep deprivation, implying DSIP affects core sleep mechanisms.
Practical Outcomes
- For DIY health enthusiasts, this study shows DSIP can disrupt REM sleep, which may not be desirable for most sleep‑optimization goals. There is no human data, dosage guidance, or clear benefit, so using DSIP for better sleep is not currently actionable. More research is needed before considering it in protocols.
Summary
A study gave the sleep peptide DSIP to cats and rats and found it cut down the time they spent in REM (dream) sleep more than it lengthened deep, slow-wave sleep. The same kind of REM loss happened when the animals were kept from getting REM naturally, suggesting DSIP taps into very basic sleep control systems.
Abstract
After administration of delta-sleep inducing peptide to cats and albino rats the decrease of total duration of paradoxical phase of sleep is more significant than prolongation of slow-wave sleep. Similar disturbances in the behaviour of animals were observed during deprivation of paradoxical sleep. This data strongly suggest that the DSIP influences the most ancient mechanisms of sleep regulation.
Study Information
pubmed
1982