Here are your action steps

Step 1
Get an eye exam

Step 2
Avoid stress

Step 3
You may be allergic to something (ex Milk)

Step 4
You may need to get more sleep (if you are sleeping, you may be having disrupted sleep-consider a sleep clinic or using something to help with snoring or drinking less later in the day to avoid going to the bathroom often at night)

Step 5
You may have too much sun exposure

Step 6
You may be dehydrated

Step 7
If your headache is chronic and persistent you may consider seeing a doctor

Step 8

If you wear glasses you might need a new prescription or your frames might be to small