Delta Sleep Inducing Peptide (dSIP) Polyclonal Antibody, Cat#CAU27311 Biomatik Synthesis of the Tripeptide l Trp l Ser l Glu: Comparison of its biological activity with that of the Delta Sleep Inducing Peptide (DSIP): Monnier, V.M.: 9783764309152: Books Amazon.ca DSIP Peptide: Revolutionizing Sleep, Stress, and Pain Management in Clinical Practice DSIP You've probably seen it come up more often lately. DSIP stands for *Delta Sleep Inducing Peptide*. A peptide often used with the goal of improving sleep quality and recovery. In DSIP (Delta Sleep Inducing Peptide) Phoenix Pharmaceuticals, Inc. Peptides Shores Dental Co.