Migraines without aura -- the most common type of migraine -- do not produce aura symptoms to warn of their onset. They can, though, still cause vision problems and dizziness. The International Headache Society also recognizes a type of migraine known as retinal migraine. This type of migraine produces a variety of visual symptoms.
It may also be necessary to access the floor from below to allow forfaster drying. Effective drying of a hardwood floor is a slow process. It will sometimes take 7 to 10 days to allow the floor to release enough water to halt the forced drying process.
Cleaning and resurfacing the floor usually takes one day (on the other hand, clearing out your garage so you can work may take weeks!). Spreading the resurfacer smoothly is the trickiest part of the project, so it helps to have some experience with concrete or drywall finishing.