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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. List of Delta blues musicians - Wikipedia

    en.wikipedia.org/wiki/List_of_Delta_blues_musicians

    Guitarist, slide guitarist and singer, considered by many to be the "father of the Delta blues" is credited with creating an enduring body of American music and personally inspiring just about every Delta bluesman. [44] Pinetop Perkins (July 7, 1913, Belzoni, Mississippi – March 21, 2011). Pianist who played with some of the most influential ...

  4. Non-rapid eye movement sleep - Wikipedia

    en.wikipedia.org/wiki/Non-rapid_eye_movement_sleep

    Slow Wave Sleep (SWS) is a highly active state unlike a state of brain quiescence as previously thought. Brain imaging data has shown that during NREM sleep the regional brain activity is influenced by the waking experience just passed. A study was done involving an experimental and a control group to have them learn to navigate a 3D maze.

  5. Delta Sleep - Wikipedia

    en.wikipedia.org/wiki/Delta_Sleep_(band)

    In March 2021, Delta Sleep left Big Scary Monsters and started their own independent record label called Sofa Boy Records which is named after their song 'Sofa Boy' from The Younger Years EP. On June 9th, 2021, Delta Sleep released the single 'The Detail' and announced their third album, Spring Island which was planned for release on September ...

  6. Music and sleep - Wikipedia

    en.wikipedia.org/wiki/Music_and_sleep

    Gentle and soothing music can lead to increased delta wave activities which indicate deep sleep. [19] Several experiments have tested listening to preferred music significantly decreases cortisol levels and reduces the amount of stress experienced.

  7. Delta blues - Wikipedia

    en.wikipedia.org/wiki/Delta_blues

    The Mississippi Delta (not to be confused with the Mississippi River Delta in Louisiana) Delta blues is one of the earliest-known styles of blues. It originated in the Mississippi Delta and is regarded as a regional variant of country blues. Guitar and harmonica are its dominant instruments; slide guitar is a hallmark of the style. Vocal styles ...

  8. Brain activity and meditation - Wikipedia

    en.wikipedia.org/wiki/Brain_activity_and_meditation

    This spontaneous activity is classified into four main classifications based on the frequency of the activity, ranging from low frequency delta waves (< 4 Hz) commonly found during sleep to beta waves (13–30 Hz) associated with an awake and alert brain. In between these two extremes are theta waves (4–8 Hz) and alpha waves (8–12 Hz). [4]

  9. New-age music - Wikipedia

    en.wikipedia.org/wiki/New-age_music

    New-age is a genre of music intended to create artistic inspiration, relaxation, and optimism.It is used by listeners for yoga, massage, meditation, [1] and reading as a method of stress management [2] to bring about a state of ecstasy rather than trance, [3] [4] or to create a peaceful atmosphere in homes or other environments.