Well the first question I would ask is just how much longer that half an hour to you stare at a computer, laptop, phone, tablet etc...
That media light and the bending of our heads in a bowed position is not what they were made for.
Outside of that, I suggest seeing your family doctor. Getting a check up and physical, talk about the headaches.
Moderator - Depression
Be still and know there is Peace.
Kabir says: "Student tell me, what is God? He is the breath inside the breath". from the poem Breath.
DX: reverse Trigeminal Neuralgia;Cluster headaches; Atypical face pain;Hemicrania Continua; raynauds;complex PTSD; recurring MDD,disassociative disorder;