The crossword solution for the term 'Sleeping Noise' is SNORE, which is a 5 letter word. Snoring is a common noise made by people while they are sleeping due to the vibration of the soft palate and other tissues in the throat. It can be caused by a variety of factors such as allergies, colds, sleep apnea, and even alcohol consumption. Snoring can be disruptive to both the snorer and those around them, so it is important to take steps to reduce or eliminate it.