Sandmans Tears (3.5e Equipment)
From D&D Wiki
Sadmans Tears is a contact poison that Causes the person to go to sleep. The Affected person Is allowed a Fort save to stop the affects.
The poison has DC 30 First affect: Unconsious for 1 round Secondary affect: Unconsious for 1d4 rounds.
One dose of this poison costs 3500 gold