Grown people are not expected to need a nightlight.
Kayla, who lives with her partner, watches a lot of scary movies and it makes her scared of having all the lights off at night.
Kayla wants to fall asleep comfortably.
Kayla convinces herself that there is nothing supernatural lurking in the dark and turns all the lights off.
Kayla keeps a small light on at night to put her mind at ease.
Kayla's partner is able to fall asleep readily with the lights off.
Kayla's partner has trouble getting to sleep because of the nightlight.