Other Health Conditions. On rare occasions, being tired after a meal or simply sleepy all the time could be a sign of another health problem. Diabetes, anemia, underactive thyroid, celiac disease, food intolerance, and sleep apnea can make post-meal drowsiness worse.
Having a roofing contractor remove (and dispose of) old roofing materials, then install asphalt shingles runs about $1-$4 a square foot, or a total of $1,700-$8,400 for a typical ranch-style home (1,700-2,100 square foot, gently sloping roof).
Removal. You'll pay more for a new asphalt shingle roof if you have to take off old roofing first. Most building codes and insurance policies won't allow more than one or two layers of shingle. It'll cost you from $110 to $250 a square to remove old shingles, depending on how many layers there are.If you have to repair or replace the wood decking and put down new roofing paper or waterproofing, add that many more dollars.asic asphalt shingles just have a couple of layers of asphalt with a gravel top. Some sturdier types incorporate fiberglass reinforcing between the asphalt layers; they're stronger and more expensive. You can get warranties from 10 to 30 years -- the longer the warranty, the more you'll pay.