Sentences with phrase «waves during deep sleep»
At the whole system level, though, electroencephalographic electrodes on the skull pick up slow, large and highly synchronized waves during deep sleep.
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Slumber is known to improve recall in creatures from fruit flies to humans, and the reigning theory among neuroscientists has been that the waves of brain activity during deep sleep reactivate neurons that were triggered during the day, strengthening neuronal connections and cementing them into solid memories.
And surely Φ was low during the frenzy of seizures, or the deep waves of unconscious sleep, because the repertoire of distinguishable brain states was bound to shrink.
This period of time during which delta waves occur is often known as deep sleep.
The electrodes allowed the research team to observe the electrical waves generated during deep sleep by the brain.
Delta waves (1.5 Hz to 4 Hz), for example, are produced during deep sleep, theta waves (4 Hz to 12 Hz) occur during running and deep meditation, and gamma waves (25 Hz to 100 Hz) are associated with excitement and concentration.
Another published in 2011 found that healthy men 65 and older with normal blood pressure were nearly twice as likely to develop hypertension during the study if they spent less time in the deepest sleep stage (known as slow - wave sleep) compared with those who spent the most time deeply asleep.
Nearly half of the body's daily supply comes during periods of deep, slow - wave sleep.
Roughly half of your body's production of growth hormone occurs during deep, slow - wave sleep at night.
Nearly half of the day's secretion of HGH occurs during deep, slow - wave sleep with the biggest burst coming between 11:30 pm and midnight.
The body secretes about half of its daily supply of growth hormone during periods of deep, slow - wave sleep — especially right around midnight.
Human growth hormone release occurs in pulsatile bursts throughout the day and night (during deep, slow - wave sleep).
Cortisol is at its lowest and growth hormone is at its highest during slow wave sleep (deepest stage of sleep).