The phrase 'more nocturnally' refers to an increased tendency to be active during the night. There are many synonyms that can be used to describe this behavior, including 'night owl,' 'nocturnal,' 'insomniac,' and 'nightwalker.' Additionally, words like 'nighttime,' 'after dark,' or 'late-night' can also be used to describe activity during the nighttime hours. Some other synonyms include 'noctivagant,' which means wandering or traveling at night, 'photic zone,' the region of the ocean where sunlight never penetrates, and 'owl-eyed,' which suggests someone who is alert and active during the nighttime hours. These synonyms provide a rich vocabulary for describing activity and behavior during the night.