Asking the client how many pillows she sleeps on evaluates the client for orthopnea, which is shortness of breath caused by lying down. The more pillows the client requires, the worse the orthopnea. This provides important information to the health care provider. Snoring partners, the amount of daily exercise the client gets, and eating heavy meals before bed also affect sleep; however, in the client with COPD, determining the extent of orthopnea will best help prescribe treatments.