DSIP: The Deep Sleep Peptide That's Changing How High Performers Recover LIVV DSIP Peptide for Sleep LIVV Natural DSIP Peptide Unlock Better Sleep & Relaxation FIT9 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 Delta Sleep Inducing Peptide an overview ScienceDirect Topics DSIP Elive Health & Wellness