Wakeful Mind
Price: 14,000 gp; Slot: Brain; Type: Construct; Weight: 1 lb; Install DC: 30; Implantation Value: 1
Aura: Moderate Transmutation; CL: 9th;
Special Notes / Rules: Implants
Source: FoE, pg. 158
Description: By implanting part of the conscious gemstone from a living construct, you no longer need to sleep and gain immunity to sleep effects. However, you still need to rest for the normal period of time to regain daily uses of abilities (spells, spell-like abilities, etc).
Construction:
Craft DC: 21; Cost: 3,500 gp
Requirements: Craft Implant (construct), Lesser Restoration
Donor Requirement: The brain gemstone of a construct with the living construct subtype. The donor never survives the removal of the donor material.