Delta Sleep-Inducing Peptide (DSIP) is a neuropeptide with a complex and multifaceted role in physiological processes. Initially identified for its involvement in sleep regulation, DSIP has been theorized to participate in a range .. more..

Do you suffer from sleep problems? Or do you feel you can barely stay awake when you need to? Do you feel tired and irritable, lacking the joy and motivation you used to feel?