DSIP for Deep Sleep: Benefits, Dosage & Safety Melatonin 10mg Time Release HSA FSA Eligible HSA Home Medical Source Naturals Sleep Science Melatonin NutraSpray Orange Flavor Supplement, 2 fl oz Metro Market Sleep Aids Walgreens DSIP 10mg (Delta sleep inducing peptide) Particle Peptides DSIP (Delta SleepInducing Peptide) is a naturally occurring neuropeptide first isolated in 1974. It's best known for its potential role in regulating sleep, stress, and neuroendocrine function. Here's a clear breakdown of