Droopey

Iv just got my hps 400 wat bulb and i put it under it today with a turning fan. Within hours i noticed the leaves were starting to droop. The plant is about 2 feet away from the bulb and i know im not over watering or under watering it.
I was thinking that maby it was the fan blowing too hard or the heat giving off from the bulb was causeing it. The plant is about a foot tall and 4 weeks old. any ideas?

have you got any pics?

only thing i can think is that the fan is blowin on it to hard, but couldn't be sure without pics.
Also are you using nutrients?

Sound like the plant is evaporating off water faster than it can uptake from the roots. You gotta get the humidity up.

I have pics but i dont know how to post, heres what it says- Your file of 123.8 KB bytes exceeds the forum's limit of 19.5 KB for this filetype.ya i know its too big but how to fix that??
They look like this but there a nice green just droopy like that.
Marijuana Growing

-EDIT-
i think that b/c it was in my closet there was no enought circulation, so i took off the closet doors and stuck another fan in there, it looks like the leave have made an improvement in the last 20 minutes. You think that coulda been the problem?