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The characteristics of music that have improved sleep quality in the music-sleep literature include slow tempo, small change of rhythm, and moderate pitch variation of melody. [16] The selection of music (self selected or researcher selected) does not appear to impact sleep quality. [25]
Low-amplitude beta waves with multiple and varying frequencies are often associated with active, busy or anxious thinking and active concentration. [ 4 ] Over the motor cortex , beta waves are associated with the muscle contractions that happen in isotonic movements and are suppressed prior to and during movement changes, [ 5 ] with similar ...
Some researchers posit that there are at least two forms of alpha waves, which may have different functions in the wake-sleep cycle. Alpha waves are present at different stages of the wake-sleep cycle. [21] The most widely researched is during the relaxed mental state, where the subject is at rest with eyes closed, but is not tired or asleep.
Professor Jim Horne, director of Loughborough University's Sleep Research Centre, explains that "for women, poor sleep is strongly associated with high levels of psychological distress and greater ...
The sleep environment may be improved by installing heavy drapes to shut out all sunlight, and keeping computers, televisions, and work materials out of the sleeping area. A 2010 review of published scientific research suggested that exercise generally improves sleep for most people, and helps sleep disorders such as insomnia.
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Sleep deprivation disproportionately affects healthcare workers, especially those who work shifts. Significant cognitive impairments, such as shorter attention spans, slower reaction times, and mistakes in patient care tasks during night shifts, were found in a study of nurses working rotating hours.
Young woman asleep over study materials. The relationship between sleep and memory has been studied since at least the early 19th century.Memory, the cognitive process of storing and retrieving past experiences, learning and recognition, [1] is a product of brain plasticity, the structural changes within synapses that create associations between stimuli.