Sandmans Tears (3.5e Equipment)
From D&D Wiki
Sandman's Tears is a contact poison that causes the affected person to fall sleep.
The affected person is allowed a Fort save to stop the effects.
The poison has DC 30
Primary effect: Induces drowsiness for 1 round
Secondary effect: Produces a dreamless sleep for 1d4 rounds.
One dose of this poison costs 3500 gp.