deep sleep


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deep sleep

Sleep disorders A popular US term for NREM stages 3 and 4 sleep. See Intermediary sleep, Light sleep.
References in classic literature ?
That done, he replaced his piece of secret workmanship in his pocket; and leaving the lamp burning, and closing the door carefully and without noise, stole out into the street--as little suspected by the locksmith in his sound deep sleep, as by Barnaby himself in his phantom-haunted dreams.
Then, worn out with anxiety and fatigue, I fell into a deep sleep, and when I again opened my eyes I was once more in the light of day; a beautiful country lay before me, and my raft, which was tied to the river bank, was surrounded by friendly looking black men.
The youth's friend lay down, buried his face in his arms, and almost instantly, it seemed, he was in a deep sleep.
Several persons lay upon this bed in a deep sleep. At the small tables which were arranged about the room some thirty customers were drinking English beer, porter, gin, and brandy; smoking, the while, long red clay pipes stuffed with little balls of opium mingled with essence of rose.
At instants of momentary wakefulness he mistook a bush for his associate sentinel; his head next sank upon his shoulder, which, in its turn, sought the support of the ground; and, finally, his whole person became relaxed and pliant, and the young man sank into a deep sleep, dreaming that he was a knight of ancient chivalry, holding his midnight vigils before the tent of a recaptured princess, whose favor he did not despair of gaining, by such a proof of devotion and watchfulness.
Never have I experienced such a journey before or since--even now I oftentimes awake from a deep sleep haunted by the horrid remembrance of that awful experience.
In less than five minutes, she was in a deep sleep.
All that had been purest and sweetest in it, in the by-gone time, seemed to be renewed by the deep sleep that held her gently.
They had run a generator inside their home around two or three days ago and fell into a deep sleep. Smoke emanating from the generator filled the house, which suffocated them in their sleep, the police officer added.
To have sound and deep sleep, one has to avoid above mentioned reasons so that one could live a healthy life because sleeping well keeps physically and mentally fit.
Refreshing sleep then you slip into deep sleep, where the body and mind and immune system refreshes and resets, you need deep sleep for this purpose.
I then felt like vomiting before I collapsed into deep sleep.