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An artwork featuring a mother putting her baby to sleep with her music. Sleep problems are found to be correlated with poor well-being and low quality of life. [1] Persistent sleeping disturbances can lead to fatigue, irritability, and various health issues. Numerous studies have examined the positive impact of music on sleep quality.
Sleep, Dearie, Sleep is a traditional Scottish lament for the bagpipes. The tune is used as a lament signal in Highland army regiments. The tune is used as a lament signal in Highland army regiments. It gained prominence when it was played during the state funeral of Queen Elizabeth II on 19 September 2022.
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 ]
Polyphasic sleep is the practice of sleeping during multiple periods over the course of 24 hours, in contrast to monophasic sleep, which is one period of sleep within 24 hours. Biphasic (or diphasic , bifurcated , or bimodal ) sleep refers to two periods, while polyphasic usually means more than two. [ 1 ]
The whole period normally proceeds in the order: N1 → N2 → N3 → N2 → REM. REM sleep occurs as a person returns to stage 2 or 1 from a deep sleep. [20] There is a greater amount of deep sleep (stage N3) earlier in the night, while the proportion of REM sleep increases in the two cycles just before natural awakening. [17]
30 seconds of N3 – deep sleep. NREM Stage 3 (N3 – 15–25% of total sleep in adults): Formerly divided into stages 3 and 4, this stage is called slow-wave sleep (SWS) or deep sleep. SWS is initiated in the preoptic area and consists of delta activity, high amplitude waves at less than 3.5 Hz. The sleeper is less responsive to the ...
Sleep evolved in the early 1990s from the band Asbestosdeath, which was established by vocalist/bassist Al Cisneros, drummer Chris Hakius, and guitarist Tom Choi. Asbestosdeath expanded to a quartet with the introduction of Matt Pike on guitar, and recorded two singles - "Dejection" for Profane Existence and the self-released "Unclean".
"Sleeping Satellite" is a song by British singer-songwriter Tasmin Archer, released in September 1992 by EMI and SBK as the first single from her debut album, Great Expectations (1992). The song was written by Archer with John Beck and John Hughes, and produced by Julian Mendelsohn and Paul Wickens .