Sleep Disorders and Melatonin Springer Nature Link Melatonin increases Stage 2 sleep without effects on other sleep Download Scientific Diagram 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 Shift Right: Assessing Sleep Disorders and Associated Health Concerns Based on Salivary Melatonin and Dim Light Melatonin Onset (DLMO) Biology of Sleep DSIP PEPTIDE: Benefits, Dosage, Side Effects & Clinical Data Exploring Peptides