Delta Sleep Inducing Peptide an overview ScienceDirect Topics 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 DSIP (Delta Sleep Inducing Peptide) Research Peptide Midwest Peptide Peptide Blog DSIP 99%+ Pure Peptide Amino Club Amino Club The effect of delta sleep inducing peptide (DSIP) and phosphorylated DSIP (P DSIP) on the apomorphine induced hypothermia in rat