Cameron sweats a LOT. It drips off his head while he sleeps. For him, it's a sign of possible heart failure.
However, I don't think you need to worry to that extent. Hope it's something easy to figure out!
__________________
Signed with facilitator 1/23/07 
Profile completed & sent 2/07
M a t c h e d ! 8/23/07
Cameron is born 11/10/07
FINALIZED!!! 4/3/08
Cameron is diagnosed with Hypoplastic Left Heart Syndrome 11/10/07
Life is beautiful, but it's complicated.
We barely make it.
We don't need to understand,
There are
miracles, miracles.
Yeah, life is beautiful.
Our hearts, they beat and break.
(Vega 4)