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Kevin Martin - March 18, 2026 The name oversells it, frankly "delta sleep-inducing peptide" is a 1977 description that the subsequent evidence never really nailed down, and the listing using the historical name without leaning on the sleep claim is the honest way to handle it
Cell Rep Med 2(5):100277 Jarrell ZR et al (2022) Low-dose cadmium potentiates metabolic reprogramming following early-life respiratory syncytial virus infection
Background Delta Sleep-Inducing Peptide (DSIP), also known as Sleep-Promoting Peptide, is a neuropeptide that has been the subject of extensive research due to its potential role in sleep regulation, stress response, and neuroprotection
Detection of a unique -glutamyl transpeptidase messenger Rna species closely related to the development of hepatocellular carcinoma in humans: a new candidate for early diagnosis of hepatocellular carcinoma
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