Sentences with phrase «activity during deep sleep»

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.

Not exact matches

«Because brain cells release amyloid beta during activity, we think if the brain cells can't rest the way they're supposed to and get that deep sleep, they produce a relative excess of amyloid,» Dr. Yo - El Ju of Washington University, an author of that study, told Reuters.

For example, records of electrical activity in the brain showed that, on average, they experienced deep, non-rapid eye movement sleep for 30 per cent less time compared with participants who slept during a new moon.

During a full moon, study subjects took longer to fall asleep, had diminished levels of the sleep - inducing hormone melatonin, and brain activity related to deep sleep dropped by 30 percent.

In a study involving rats, researchers discovered that young male rats respond to normal episodes of hypoxia, or brief periods of oxygen deprivation, during sleep by increasing brain activity to take deeper and more frequent breaths.