Waking up in a dark bedroom isn't always the worst part about not having a nightlight - it's not being able to see where you're going that really sucks.
If you DON'T want to put a nightlight in your room, but you also want to see where you're going, this Motion Activated Bedside Lamp from Vansky is a great option. (Plus, it's eligible for Amazon Prime one day shipping.)
The warm lights run along a strip, sort of like a rope light. You install the strip under your bed so it's hidden from plain view, but it is activated when your feet hit the ground in the darkness. The lights automatically turn off after a certain amount of time.
Check out the Vansky Motion Activated Bedside Lamp on Amazon here.