draw (third-person singular simple present draws, present participle drawing, simple past drew, past participle drawn) (heading) To move or develop something. To sketch; depict with lines; to produce a picture with pencil, crayon, chalk, etc. on paper, cardboard, etc.
The fetal position might also help ward off conditions like Alzheimer's or Parkinson's: Recent research on animals suggests that your brain does a better job of clearing waste that can lead to these neurological diseases when you're sleeping on your side rather than on your back or stomach. This position's also good for pregnant women.
Again, your skin needs to breath to promote and speed the healing process. So, if you get a tattoo on your back, you need to sleep on your belly for a few days or visa-a-versa. If you can sleep with your tattoo exposed, that would be best. If not, you can place a clean thin towel between you and the sheets.