deep sleep


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deep sleep

[¦dēp ′slēp]
(psychology)
The third and fourth stage of the sleep cycle, determined by electroencephalographic recording and characterized by slow brain waves. Also known as slow-wave sleep (SWS).
References in periodicals archive ?
A typical 20 year-old gets half an hour more deep sleep a night than a 70 year-old.
It lulled her to a deep sleep in just a short time and she awoke with a profound sense of calm.
Setting an alarm will let you relax into your nap and assure that youAaAeAeAEll wake up befo deep sleep takes hold.
pdf) 20 percent of that time  will be spent in deep sleep, according to the NIH.
We addressed the issue of sleep deprivation by creating an intra-nasal breathe aid with lavender crystals to help with relaxation and improve deep sleep," said Splintek chief executive officer Thomas Brown.
Samson suspects that's because deep sleep improves human cognition, or thinking.
Sleep walking occurs in a partial state of wakefulness from deep sleep.
Other options include Deep Sleep with Andrew Johnson and Relax & Sleep Well.
Their study provides for the first time a mechanistic explanation for how deep sleep (also called slow-wave sleep) may be promoting the consolidation of recent memories.
With a wake up light the body will start a biological process to leave the deep sleep phase and prepare for the wake up.
Sysco Guest Supply has launched the Deep Sleep Pillow Spray, which is known to render a restorative night's sleep using soothing aromatherapy.
A MAN who failed to answer the door to police claimed that he was in a deep sleep.