Reference for Niddah 125:14

התם במתנמנם

it is a case, where one was in a state of drowsiness.<span class="x" onmousemove="('comment',' Not fully awake. Two conditions are necessary for spittle to be tasteless: Sleep or dozing and night. Sleep in the day-time (after one has had some food which sweetens the spittle) or night without sleep (when the effect of the food has not passed) is not enough. ');">¹³</span>

Jastrow