Syrik's Drunken Sailing
Harsh conditions or long exertions do not easily tire you.
Benefit: You gain a +4 bonus on the following checks and saves: Swim checks made to resist nonlethal damage from exhaustion; Constitution checks made to continue running; Constitution checks made to avoid nonlethal damage from a forced march; Constitution checks made to hold your breath; Constitution checks made to avoid nonlethal damage from starvation or thirst; Fortitude saves made to avoid nonlethal damage from hot or cold environments; and Fortitude saves made to resist damage from suffocation.
You may sleep in medium or heavy armor without becoming fatigued.
Homebrew: In addition when recovering HP from rest you gain your level + your con modifier in Hit Points. when undergoing a complete bed rest you gain your level + your con modifier * 2 in hit points.