Falling asleep
There's a blinking security light outside my bedroom window. It doesn't shine in directly, but it does create a flicker across my curtain and back wall. If one paid attention to it, and allowed their eyes to zone into the light, it can cause quite a distraction.
Do you ever get that sensatino when you're tired and trying to fall asleep, and you close your eyes, but you can still see the light? I mean, that you're eyes, although they feel closed, haven't really shut. There is a sliver of pupil left peeking out to which any errant light can filter and slip it's way through, past the eyelids. However heavy your eyes may feel, as if the whole dark, substantial weight of the night is pulling down of them, that thin little crack remains, allowing the faciltiy of sight to remain. Why does that happen?

