Nyctophilic
Someone who is most productive during night.
"You know Rick, I work more efficiently at night. There's a reason I'm called 'Nyctophilic'."
nyctophile
The love of night or darkness; You find comfort in the dark.
I am nyctophile which means I love the night.
nyctophilic
(used of plants) blooming at night.
Some plants are nyctophilic.