Delta Sleep Inducing Peptide Recovers Motor Function in SD Rats after Focal Stroke Peptides in Under 60 Seconds with Dr. Orel Swenson: DSIP If you're struggling with disrupted sleep, high stress, travel fatigue, or difficulty getting into true deep sleep, DSIP (Delta Sleep Inducing Peptide) may About 50% of people will say it's a miracle while the other 50% will say it's useless. Read these papers yourself and find out where you stand. Product Details: DSIP + Selank Blend