What people on Reddit reckon, what the sleep claims are, and what the research actually tells us.
DSIP — Delta Sleep-Inducing Peptide — comes up time and again in online chats about poor sleep, waking up in the night and feeling knackered even when you've had enough hours in bed.
Have a search on Reddit and you'll find plenty of people saying they slept noticeably better after taking it.
So what's going on? I've looked through the Reddit threads and the published research side by side, to see where people's experiences match the evidence, and where they don't.
Why Reddit?
Because it's one of the few places where people openly talk about their experiences with lesser-known research peptides like DSIP.
Rather than having you trawl...