nodding


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Related to nodding: nodding off
A brief episode of sleep of precipitous onset, lasting from a fraction of a second to 30 seconds. It occurs in night-shift fatigue, and is associated with excess daytime sleepiness and automatic behaviour
Aetiology Sleep deprivation, mental fatigue, sleep apnea, hypoxia, narcolepsy, or hypersomnia

nodding

(nŏd′ĭng)
Involuntary motion of the head downward, as when momentarily dozing.
References in classic literature ?
She stood smiling and nodding at herself in the glass, with the bonnet perched on the top of her head.
The old Sydney Carton of old Shrewsbury School," said Stryver, nodding his head over him as he reviewed him in the present and the past, "the old seesaw Sydney.
Well, sir, if you can make out here, fur a fortnut, 'long wi' her,' nodding at his sister, 'and Ham, and little Em'ly, we shall be proud of your company.
Uncle Dan - yonder,' answered Em'ly, nodding at the boat-house.
Peggotty, who had not exhibited a trace of any feeling but the profoundest sympathy, looked round upon us, and nodding his head with a lively expression of that sentiment still animating his face, said in a whisper:
I took pains to show William that I had forgotten his maunderings, but I observed the girl nightly, and once, instead of nodding, she shook her head, and that evening I could not get into a pocket.
She would often come to me and talk in a confidential strain; nodding and shaking her head, and gesticulating with hands and eyes, as a certain class of old ladies are won't to do; though I never knew one that carried the peculiarity to so great an extent.
The Marchioness changed the motion of her head, which had not yet left off nodding, and suddenly began to shake it from side to side, with a vehemence which threatened to dislocate her neck.