Melatonin makes you drowsy. DSIP changes your sleep architecture., There's a difference between feeling sleepy and getting deep sleep. Most people never get the second one., Your hypothalamus produces DSIP (Delta Sleep Inducing Peptide): Benefits, Dosage, and Risks Expla DSIP for Deep Sleep: Benefits, Dosage & Safety when your sleep cycle doesn't work anymore DSIP: The Sleep Peptide That Changes How Canadians Rest Melatonin and sleep ScienceDirect