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Two new studies suggest once again the importance of getting a good night's sleep for good health over a lifetime, as scientists pursue new understandings of restorative deep sleep.
A new study offers an explanation as to how deep sleep — also known as slow wave sleep — helps support the formation of memories in the brain, which could help with preventing dementia ...
1. Establish a Relaxing Bedtime Routine. After a busy day, it can be hard to shift your energy to relaxation mode or “shut off” your brain. But there are things that can help you get there ...
Hypnogram showing sleep architecture from midnight to 6:30 am, with deep sleep early on. There is more REM (marked red) before waking. (Current hypnograms reflect the recent decision to combine NREM stages 3 and 4 into a single stage 3.) Understanding the activity of different parts of the brain during sleep can give a clue to the functions of ...
While the body benefits from sleep, the brain actually requires sleep for restoration, whereas these processes can take place during quiescent waking in the rest of the body. [98] The essential function of sleep may be its restorative effect on the brain: "Sleep is of the brain, by the brain and for the brain."
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 ]
Improvement to cognitive performance caused by exercise could last for 24 hours, a new study shows. Scientists also linked getting 6 or more hours of sleep to better memory test scores the next day.
Long-term/chronic psychosocial stress is known to cause depression symptoms but the effect of chronic stress on sleep can lead to a ripple effect of further damage including poor emotional stability, lowered attention span and self-control, and worse performance on cognitive tasks. [4]
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