Human — controlled trial

DSIP in insomnia

This paper summarizes different investigations into effects of delta sleep-inducing peptide (DSIP) injections on insomnia. Two different studies showed improvement of sleep following single injections of 25 nmol/kg b.w. before sleep. Repeated administrations indicated a buildup with normalization of sleep structure after four administrations. Repeated injections in the morning - besides increasing daytime activity - still had a strong positive effect on night sleep, but not s…

Cited by

DSIP
What the research on DSIP actually shows
The indexed literature on DSIP includes human clinical or observational records (4 human-clinical or observational records). This digest describes the shape of that evidence and links the records behind it. It does not judge whether DSIP is safe or effective for any purpose, and nothing here is medical advice — the material sold by the vendors in this index is labeled for laboratory research use only.

Compounds examined

DSIP

Study records state what a paper reported. PepIndex does not interpret findings, assess clinical significance, or restate results in language implying an application not present in the source. Last reviewed 23 Jul 2026.