deep sleep


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deep sleep

A sound slumber. Good luck waking Eric when he's in a deep sleep—five alarms couldn't get that guy moving! I feel much better now that I've had a deep sleep for the first time all week!
See also: deep, sleep
References in periodicals archive ?
It measures REM sleep (the vivid dreams stage, good for mood regulation and memory processing); deep sleep (good for memory, learning, the immune system and feeling rested); and light sleep.
After two stages of light sleep in which the body is drifting and transitioning into dormancy, deep sleep arrives.
During deep sleep, your brain stores memories and processes emotions.
Night terrors don't cause any long-term psychological harm and occur amongst kids during deep sleep.
Whatever you choose, the benefits of catching more Zs are clear - with the right app, deep sleep could bring you deep joy.
Nevertheless, the brain remains highly active, showing electrical activity in the form of sharp-wave ripples in the hippocampus (a small region of the brain that forms part of the limbic system) and large-amplitude slow oscillations in the cortex (the outer layer of the cerebrum), reflecting alternating periods of active and silent states of cortical neurons during deep sleep.
They get ripped out of the deep sleep phase by a loud noise which was an indication of danger from animals or from enemies back in the stone ages.
He claimed that he was in but didn't answer the door because he was in a deep sleep.
allegedly took advantage when the victim fell in deep sleep after eating sleeping pills.
MEL & Sue's viewer's letter: "You guys have a way of making me fall into a deep sleep in front of the TV.
Deep sleep sounds restful, but during it our brains are actually working hard.
Moreover, the activity of brain cells during deep sleep, or slow-wave sleep, after learning is critical for such growth.
The new IC adopts an original low-power circuit design and integrates a highly efficient DC-DC converter, reducing peak current consumption to below 6mA and deep sleep current consumption to below 100nA.
Make sure that you go to bed early enough to reach the deep sleep levels that let you process the day's experiences.
The quality of deep sleep in older participants was 75 percent lower than that of the younger participants, and the following day, performance of older participants on the memory task was 55 percent worse than that of the younger participants.