I hadn't heard of hypnic headaches until I read your post. From the bit of web crawling that I've done it sounds pretty interesting and I imagine I can find some good information if I have the chance to take a closer look.
In the meantime, take a look at the IHS ICHD2 information page on them:
ihs-classification.org/en/02_klassifikation/02_teil1/04.05.00_other.html
DX: NDPH, Recovered(?) CRPS
RX: Lamictal, Namenda, Wellbutrin XL, Oxycodone, Oxycontin, Concerta (Methylphenidate), Clonazepam, Rozerem, Magnesium (1200 mg/d), Riboflavin (400 mg/d).
PRN:
Ketamine nasal spray, Toradol IM, Celebrex, Haloperidol, Lodine, Zofran, Phenergan, Ambien CR
rarely: Migranal, Thorazine, DHE IM, Droperidol IM, Reglan, Provigil, triptans (Imitrex, Maxalt, Relpax, Zomig, Axert, Amerge)
I can be contacted personally via email at korbnep:healingwell@gmail.com.