You are having migraines it sounds like.
If you do not eat and/or drink dehydration can bring the migraine on.
To be on the safe side, I suggest you make an appointment with your GP doc and get a physical and talk about your symptoms.
Moderator - Depression
"...when the gift of sight is cause enough for jubilation."
Billy Collins from the poem. HIGH
DX: reverse Trigeminal Neuralgia;Cluster headaches; Atypical face pain;Hemicrania Continua; raynauds;complex PTSD; recurring MDD,disassociative disorder;