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Sopor is a condition of abnormally deep sleep, similar to a stupor but not as severe, from which it is difficult to rouse a person. [1] It involves a profound depression of consciousness, which is manifested by drowsiness, while maintaining coordinated defensive reactions to stimuli such as pain, harsh sound, and bright light, and preserving vital functions.
Deep sleep refers to slow-wave sleep — a stage in the sleep cycle when brain waves slow down. Getting enough deep sleep is crucial for numerous bodily functions. But how to increase deep sleep ...
Finding the right sleep sound is a bit like finding the right type of pajamas, says Dr. Winter. And while research on the sleep benefits of different noise types is limited, it’s definitely growing.
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.
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 ]
Sleep apnea, obstructive sleep apnea, obstruction of the airway during sleep, causing lack of sufficient deep sleep, often accompanied by snoring. Other forms of sleep apnea are less common. [ 89 ] Obstructive sleep apnea (OSA) is a medical disorder that is caused by repetitive collapse of the upper airway (back of the throat) during sleep.
The 10-3-2-1-0 rule breaks down several factors that may impact your sleep so that you can be more aware of them. ... deep breathing or reading (a real book, not on your handheld device).
Sleep drunkenness, also known as confusional arousal, is the feeling of confusion or sudden action upon waking up from deep sleep. Severe sleep inertia , one cause of oversleeping, is considered to develop sleep drunkenness.