Delta Sleep Inducing Peptide an overview ScienceDirect Topics Disability Center on Budget and Policy Priorities Delta Sleep Inducing Peptide (DSIP) Phoenix Pharmaceuticals, Inc. South Bougainville District Sets Standard for Transparent Use of DSIP Funds National Information Center 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