There's a sleeping aid whose label cautions "May cause drowsiness" — at which time you probably should not use the propane torch that comes with the warning, "Never use when sleeping."

Because if you do, you might want to have on hand the bandages with the box that advises, "For external use only."

As silly as they might sound, these are sincere warning labels on products sold in the U.S. These and dozens more are featured in the book "Remove Child Before Folding: The 101 Stupidest, Silliest, and Wackiest Warning Labels Ever" (Warner Books, $10).

Author Bob Dorigo Jones is founder of M-LAW, the Michigan Lawsuit Abuse Watch, an antilawsuit watch group that receives hundreds of submissions to its annual contest to find the weirdest warning labels.

The most recent winner, a toilet-cleaning brush that comes with the warning, "Do not use for personal hygiene," is in the book, along with such worthy contenders as slippers ("Do not eat") and a box of frozen mozzarella sticks ("Product becomes hot after cooking").

Don't say you haven't been warned, but here are more examples of kooky caveats from the book: