Delta Sleep Inducing Peptide Recovers Motor Function in SD Rats after Focal Stroke Have you heard of DSIP? In this study, delta sleep induced peptide was given to only 17 participants! But it helped improve their sleep markers.. unfortunately only 17 patients used but they were What is DSIP (Delta Sleep Inducing Peptide) ? PEN PEPTIDE DSIP: The Secret to Restful Sleep & Clarity Say goodbye to restless nights and hello to better days with DSIP! This powerful peptide not only helps you get deep, restorative sleep, but it also