"Blues in the Night" is a popularsong which has become a pop standard. Popular music is music belonging to any of a number of musical styles that are accessible to the general public and mostly distributed commercially. ... A song is a relatively short musical composition for the human voice (possibly accompanied by other musical instruments), which features words (lyrics). ... The term pop standards refers to an American songwriting, arranging, and singing style that is widely considered as the high point of Western vocal popular music. ...
The music was written by Harold Arlen, the lyrics by Johnny Mercer. Recorded versions in the United Kingdom were by Shirley Bassey and Helen Shapiro. Harold Arlen, photographed by Carl Van Vechten, 1960 Harold Arlen (February 15, 1905 - April 23, 1986) was an American composer of popular music. ... Johnny Mercer (November 18, 1909 - June 25, 1976) was a pop music composer. ... Shirley Bassey in 2000 Dame Shirley Bassey (born January 8, 1937), is a Welsh singer, perhaps best known for performing the theme songs to the James Bond films Goldfinger (1964), Diamonds Are Forever (1971), and Moonraker (1979). ... Helen Shapiro (born September 28, 1946) is a British singer. ...
Exposure to blue light at night can produce an immediate improvement in responsiveness and alertness, without the jolt to the system provided by more conventional remedies for fatigue such as a cup of strong coffee or a splash of cold water on the face, according to sleep researchers.
They conducted a study comparing the effects of exposure during the night to light at either 460 nm (blue) or 555 nm (green) in 16 healthy men and women in their early 20s.
They also noted that the body's sensitivity to the alerting effects of light in shorter (blue) wavelengths indicates that color vision is not the primary photoreceptor system responsible, because the system is more sensitive to green light at 555 nm than it is to blue light at 460 nm.
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