It is very unpleasant having a migraine..
Signs of a migraine attack are first signals for example blind spots scotoma, flashing lights and slurred or muddled speech.
Around the time of the initial symptoms, people also get cold sensation, temporary numbness on the affected side, thumping or throbbing headache,sensitivity to light, noise and smell or pins and needles. It's not the case that all symptoms have to be present.
A lot of different cues will effect a migraine in people sensitive to migraines such as...