Sleep & wakefulness
Orexin B
The second orexin neuropeptide, also involved in wakefulness. Mostly lab research.
How it works
The second orexin neuropeptide. It acts mainly on the OX2 receptor, which controls wakefulness.
What it is used for
Wakefulness and sleep disorders.
What the evidence says
Lab research only.
Side effects and cautions
Its safety is unknown; the same concerns as orexin A apply.
Half-life
Minutes: it is quickly broken down in blood
Makes sense for
- Lab research only
Does not make sense for
- Any human use: there is no human data