Who doesn't drink enough water so the salt of the food will be stored in human body causing many health problems
An organisms metabolism doesn't quite invilve sleeping by the idea that metabolism is greatly enhance when one has a stimulus of generated cells (thanks to the assistance of hormonic means). Metabolism can be formulated better, however, metabolism does not really involve sleep.
If you apply white light and it reflects only red, you see it red, all the other wavelentghs absorbed. If it reflects all wavelength (i think listed all red-orange....) then it should be white.
Answer:
human heart beats about 100,000 times in one day