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  2. Music and sleep - Wikipedia

    en.wikipedia.org/wiki/Music_and_sleep

    Interventions including music-assisted relaxation and listening to music effectively reduce sleep onset latency for people with insomnia. [14] However, several studies found music to have neither positive nor negative effects on subjective sleep quality for normal individuals.

  3. 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 ]

  4. Non-rapid eye movement sleep - Wikipedia

    en.wikipedia.org/wiki/Non-rapid_eye_movement_sleep

    Non-rapid eye movement sleep (NREM), also known as quiescent sleep, is, collectively, sleep stages 1–3, previously known as stages 1–4. Rapid eye movement sleep (REM) is not included. There are distinct electroencephalographic and other characteristics seen in each stage. Unlike REM sleep, there is usually little or no eye movement during ...

  5. Yoga nidra - Wikipedia

    en.wikipedia.org/wiki/Yoga_nidra

    Yoga nidra (Sanskrit: योग निद्रा, romanized: yoga nidrā) or yogic sleep in modern usage is a state of consciousness between waking and sleeping, typically induced by a guided meditation.

  6. Sleep induction - Wikipedia

    en.wikipedia.org/wiki/Sleep_induction

    A hot bath before bed may improve the quality of sleep. The daily sleep/wake cycle is linked to the daily body temperature cycle. For this reason, a hot bath which raises the core body temperature has been found to improve the duration and quality of sleep. A 30-minute soak in a bath of 40 degrees Celsius (104 °F) – which raises the core ...

  7. Brainwave entrainment - Wikipedia

    en.wikipedia.org/wiki/Brainwave_entrainment

    Brainwave entrainment, also referred to as brainwave synchronization or neural entrainment, refers to the observation that brainwaves (large-scale electrical oscillations in the brain) will naturally synchronize to the rhythm of periodic external stimuli, such as flickering lights, [1] speech, [2] music, [3] or tactile stimuli.

  8. Brain activity and meditation - Wikipedia

    en.wikipedia.org/wiki/Brain_activity_and_meditation

    Highlighted region shows the anterior cingulate cortex, a region of the brain shown to be activated during meditation. Meditation and its effect on brain activity and the central nervous system became a focus of collaborative research in neuroscience, psychology and neurobiology during the latter half of the 20th century. Research on meditation ...

  9. Sharp waves and ripples - Wikipedia

    en.wikipedia.org/wiki/Sharp_waves_and_ripples

    Sharp waves and associated ripples are present in the mammalian brains of the species that have been investigated for this purpose, including mice, rats, rabbits, monkeys and humans. [5] In all of these species, they have been shown primarily to be involved in consolidation of recently acquired memories during the immobility and slow-wave sleep.

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