Take the 2-minute tour ×  Im an engineer by education and i
program a lot, so the question sounds weird to people from other
disciplines.  Im trying to better understand the human
biological clock. Yet i do not really know what it is. I read
about clock genes, endogenous cycles, and other observed
phenomena that is time sensitive or cyclical in nature. But is
there a centralized model of what the circadian rhythm is or how
itis exhibited within the human body?  For example an electrical
clock can be modelled with feedback loops or electrical flip
flops that control the timing. Ive seen the heart modelled as
Van Der Pol oscillator.  Does modern science have some notion of
how the "master" clock within the human body work? Is there a
feedback or an oscillator model of the master clock?  Thank you
for any articles or keywords that ican use to research this
question!  share|improve this question Lacking references, this
is only a comment instead of an answer. But the central point of
any answer will be: biologica