[maggief]

Sure ... he could have had trouble sleeping, thought he had heartburn, needed fresh air, etc.

Or ...

[Sacajaweau]

If you have heart trouble and feel lousey, you make a call.

I'd say this midnight walk was likely his usual pattern.

[BossLady]

Apparently, he was 'well enough' to tweet only 9 hours ago.......so tweeting and walking? ;)

http://twitter.com/#!/andrewbreitbart

RIP to a great conservative...