On Mon, Jun 7, 2010 at 11:26 AM, Darren Wilton <dcwilton@gmail.com> wrote:

>   I like the vent, but I have lost countless hours
> of sleep to the overhead light that switches on at dawn!
>

Then why not just deploy the curtain (that is attached to the bug screen)
the night before so that the light is blocked off?  I use mine, mostly
during the day, to block off the Sun when overhead.