Why circadian rhythms are needed, or how to change the rate of the “biological clock”

On October 2, the Nobel Committee at Karolinska Institutet announced the names of the winners of the Nobel Prize in Physiology or Medicine for 2017. They are three American scientists Jeffrey C. Hall, Michael Rosbash and Michael W. Young. The Prize was awarded to them “for their discove­ries of molecular mechanisms control-ling the circadian rhythm”