Hillary Israeli writes:
Get an X10 wall outlet, plug a regular nightlight into it, program it to
be on only during the times you want, and you're all set.

http://www.smarthome.com

I do have some of these, and they make a loud click when turning on or
off (I think there's a mechanical relay in the unit). It might well be
loud enough to wake someone, I think. I'd hope the purpose-built
integrated timers would be quieter.

David desJardins