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[27] [28] Scientific studies on sleep have shown that sleep stage at awakening is an important factor in amplifying sleep inertia. [29] Determinants of alertness after waking up include quantity/quality of the sleep, physical activity the day prior, a carbohydrate-rich breakfast, and a low blood glucose response to it. [30]
One of the important questions in sleep research is clearly defining the sleep state. This problem arises because sleep was traditionally defined as a state of consciousness and not as a physiological state, [14] [15] thus there was no clear definition of what minimum set of events constitute sleep and distinguish it from other states of partial or no consciousness.
Sleep deprivation, also known as sleep insufficiency [2] or sleeplessness, is the condition of not having adequate duration and/or quality of sleep to support decent alertness, performance, and health. It can be either chronic or acute and may vary widely in severity.
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.
The role of high blood pressure in influencing the impact of sleep duration on cognitive health could explain the mixed results found in previous studies. ... the importance of having healthy ...
What can you do to improve your sleep this World Sleep Day? Only 16% of people in a new global survey say they get a good night's sleep each night of the week. Japan, the U.K.,
Multiple hypotheses explain the possible connections between sleep and learning in humans. Research indicates that sleep does more than allow the brain to rest; it may also aid the consolidation of long-term memories. REM sleep and slow-wave sleep play different roles in memory consolidation. REM is associated with the consolidation of ...
First, it’s important to understand that there are four main stages of sleep. The first three stages are light sleep, deeper sleep, and deepest sleep , all of which are classified as non-rapid ...