Lehua Kyllikki. lamps. January 09th , 2017.
Have You noticed when switching on the incandescent or halogen light they tend to warm up quite long. Result is that You will get the needed brighter light only after some time. One of the advantages of Led lighting is that it achieves full brightness instantly. You no longer need to sit and wait for light to warm up so You could read a book or do stuff You like. Long warm up period is equalized to halogen light. Incandescent in this case is just strangely orangy/yellow.
Data can tell you a lot, but it cant tell everything you need to improve your promotions. You have to go beyond the numbers and to the heart of what your customers really think.
Bright lighting stimulates our mind (which is why its great for task illumination) whilst dim illumination quiets our senses and can actually make us feel drowsy (which is why its great for the bedroom).
 George MS, Rosenstein D, Rubinow DR, et al. CSF magnesium in affective disorder: lack of correlation with clinical course of treatment. Psychiatry Res 51(2):139-46, 1994.
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