i) Why we can not see the Sun during the night?

Is it true that we are more agressive during the night whenthere is a full moon?
If true, could this be a remnant from times where we needed to huntfor our food and so could see more at night when there was a fullmoon?

When medications were administered during the night shift, a patient refuses to take his 0200 dose of an antibiotic, claiming that he has just taken it. What actions by the nurse would ensure sound decision making and maintain patient safety? Indicate with References