When transiting Uranus is conjunct your natal Saturn: Structures of your life are under attack by sudden and unpredictable events. If you have been unhappy with some aspect of your life it is likely to become intolerable now. It may just snap suddenly. Then you realize that you cannot go on like this anymore.
diurnal (comparative more diurnal, superlative most diurnal) 1  Happening or occurring during daylight, or primarily active during that time. ( 2 botany) Said of a flower open, or releasing its perfume during daylight hours, but not at night.
Circadian rhythms are regular changes in mental and physical characteristics that occur in the course of a day (circadian is Latin for around a day). This clock, called thesuprachiasmatic nucleus or SCN (see figure 2 ), is actually a pair of pinhead-sized brain structures that together contain about 20,000 neurons.