Research chemicals only · Not for human use · DYOR

Peply Labs
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#16 popular
Mostly preclinical
Cognitive / Nootropic

DSIP

aka Delta Sleep-Inducing Peptide

Nonapeptide associated with deeper slow-wave sleep

MW (Da)

848.81

Half-life

~7 min plasma; centrally longer

Sequence

WAGGDASGE

Storage

Lyophilized 2–8 °C. Reconstituted refrigerate.

Research chemicals only. Not for human use. For research and educational purposes only. Always do your own due diligence and consult qualified professionals.

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Safety at a glance

Full safety details

Most-reported side effects

  • Vivid dreams
  • Mild morning grogginess if dosed late

Don't use if…

  • Pregnancy

What it is

Found in CSF of sleeping rabbits in the 1970s; named for its EEG delta-wave-promoting effect. Used investigationally for sleep, withdrawal syndromes and stress.

Mechanism of action

Modulates delta-wave generation, hypothalamic CRH and stress responses. Exact receptor remains uncharacterized.

Reported benefits

  • Anecdotal deeper, more restorative sleep
  • Possible withdrawal-syndrome support (clinical Russian use)

Evidence notes

Older Russian / European clinical work. Modern controlled data is scarce.