Well, not you really- but your children. Most children go through a stage where they're afraid of the dark. Our daughter has, and we've resorted to night lights to try to help but have had mixed results.
First, we borrowed the somewhat ubiquitous Cloud B Twilight Turtle from a neighbor and our daughter loved it so we went ahead and purchased one. Well, once she actually became more afraid of the dark- she wasn't really interested in the turtle.
We also tried the Spoka from IKEA which our daughter seemed afraid of and asked to keep it in our room.
Right now we compromise by keeping the hall light outside of her room on and shutting it off sometime later after she's fallen asleep.
What is your child's lighting situation at night and what has worked for you to ease any fears?
(Image: Rainbow in My Room via Gizmodiva)