That's probably just after-effect. It's hopefully inaccurate to say one's brain is bruised after a migraine, but that's how it feels to me. My braincase is sensitive to pretty much everything the day after, and not in a good way.
I mentioned wearing sunglasses because I generally have to wear mine indoors and out for the 12-24 hours afterward. Anything over dim light hurts too much. If I'm wearing shades while sitting at my desk at work, people give me funny looks for exactly as long as it takes to say "migraine." If you haven't yet, try it. If you're worried about not getting enough light during the day for other reasons, don't worry; you'll likely be on speaking terms with bright light tomorrow.
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I mentioned wearing sunglasses because I generally have to wear mine indoors and out for the 12-24 hours afterward. Anything over dim light hurts too much. If I'm wearing shades while sitting at my desk at work, people give me funny looks for exactly as long as it takes to say "migraine." If you haven't yet, try it. If you're worried about not getting enough light during the day for other reasons, don't worry; you'll likely be on speaking terms with bright light tomorrow.