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 ?
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.
Insensibly my eyelids grew heavy, deep sleep stole over me, and having no suspicion of anything wrong, I sought not to shake it off.
He saw her face, he heard her words, then he saw and heard little more, for the world grew dark to him and he passed, as it were, into a deep sleep.
Little Abraham was aroused from his deep sleep in a corner of the same apartment, and made to put on his clothes while still mentally in the other world.
His spirit recoiled, however, in the very act, and Georgiana, out of the midst of her deep sleep, moved uneasily and murmured as if in remonstrance.
At last, however, the narcotic began to manifest its potency, and she fell into a deep sleep.
Then I fell into a deep sleep, and only woke after afternoon chapel; and the Doctor came and gave me the Sacrament, as I told you.
A deep sleep fell upon me -- a sleep like that of death.
All day we heard the excited calling of the ape-men in the direction of our old camp, but none of them came our way, and the tired fugitives, red and white, had a long, deep sleep.
When they reached the trench and the wall that was before the ships, those who were on guard had just been getting their suppers, and the slayer of Argus threw them all into a deep sleep.
A deep sleep had already fallen upon this primitive little burgh; nothing disturbed this awful silence excepting now and then the bark of some profligate, night-walking dog, or the serenade of some romantic cat.
Mowgli struck quicker than an average human eye could follow but Akela was a wolf; and even a dog, who is very far removed from the wild wolf, his ancestor, can be waked out of deep sleep by a cart-wheel touching his flank, and can spring away unharmed before that wheel comes on.