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  2. Slow-wave sleep - Wikipedia

    en.wikipedia.org/wiki/Slow-wave_sleep

    Slow-wave sleep (SWS), often referred to as deep sleep, is the third stage of non-rapid eye movement sleep (NREM), where electroencephalography activity is characterised by slow delta waves. [ 2 ] Slow-wave sleep usually lasts between 70 and 90 minutes, taking place during the first hours of the night. [ 3 ]

  3. 9 Tips to Increase Deep Sleep (& How That Could Help ... - AOL

    www.aol.com/9-tips-increase-deep-sleep-125800276...

    Known as slow-wave sleep or stage 3 non-REM sleep, this is the deepest stage of sleep and the hardest to wake up from. Brain activity slows down, muscles and bones strengthen, hormones regulate ...

  4. Non-rapid eye movement sleep - Wikipedia

    en.wikipedia.org/wiki/Non-rapid_eye_movement_sleep

    Stage 3 – previously divided into stages 3 and 4, is deep sleep, slow-wave sleep (SWS). Stage 3 was formerly the transition between stage 2 and stage 4 where delta waves, associated with "deep" sleep, began to occur, while delta waves dominated in stage 4. In 2007, these were combined into just stage 3 for all of deep sleep. [7]

  5. Neuroscience of sleep - Wikipedia

    en.wikipedia.org/wiki/Neuroscience_of_sleep

    30 seconds of N3 – deep sleep. NREM Stage 3 (N3 – 15–25% of total sleep in adults): Formerly divided into stages 3 and 4, this stage is called slow-wave sleep (SWS) or deep sleep. SWS is initiated in the preoptic area and consists of delta activity, high amplitude waves at less than 3.5 Hz. The sleeper is less responsive to the ...

  6. Getting less slow-wave sleep as you age may increase your ...

    www.aol.com/news/getting-less-slow-wave-sleep...

    Loss of slow-wave sleep, also known as deep sleep, has been linked with increased risk of developing dementia. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800 ...

  7. Sleep and metabolism - Wikipedia

    en.wikipedia.org/wiki/Sleep_and_Metabolism

    Mammalian sleep can be sub-divided into two distinct phases - REM (rapid eye movement) and non-REM (NREM) sleep. In humans and cats, NREM sleep has four stages, where the third and fourth stages are considered slow-wave sleep (SWS). SWS is considered deep sleep, when metabolism is least active. [1]

  8. Doctors Say This Type Of Noise Is Best For Deep Sleep - AOL

    www.aol.com/doctors-type-noise-best-deep...

    Pink noise is another well-liked choice for sleepers and has even been shown to boost slow-wave sleep, ... bright white noise, deep white noise, and gentle surf. $19.99 at Amazon.

  9. Getting less slow-wave sleep as you age may increase your ...

    www.aol.com/getting-less-slow-wave-sleep...

    Loss of slow-wave sleep, also known as deep sleep, has been linked with increased risk of developing dementia. Getting less slow-wave sleep as you age may increase your risk of dementia, study ...