Find restorative sleep in the neuropeptide DSIP (Delta Sleep Inducing Peptide). DSIP is a naturally occurring peptide designed to support: Deep, regenerative sleep Balanced circadian rhythm Emotional wellness & cortisol Delta Sleep Inducing Peptide Recovers Motor Function in SD Rats after Focal Stroke DSIP Research Guide Canada Delta Sleep Inducing Peptide Frontiers Pichia pastoris secreted peptides crossing the blood brain barrier and DSIP fusion peptide efficacy in PCPA induced insomnia mouse models Frontiers Pichia pastoris secreted peptides crossing the blood brain barrier and DSIP fusion peptide efficacy in PCPA induced insomnia mouse models