On Jul 10, 10:53*am, Julia Altshuler > wrote:
> I know that Earl Grey tea has some amount of caffien in it. *I'm
> wondering if anyone has ever been kept awake by a cup of tea. *Does
> anyone here avoid tea at night because of its sleep preventing
> properties? *Or is the amount so small that my inability to sleep last
> night must be due to something else?

According to the Good Eats tea show, True Brew II, tea in general
doesn't contain as much caffiene as coffee and the poly-phenols in the
tea help what caffeine is there to absorb slowly into the system.
Near the end of this transcript:

http://www.goodeatsfanpage.com/Seaso...Transcript.htm