Ubuntu 13.10 sleep vs hibernation

vi /etc/pm/config.d/00-use-suspend-hybrid
--Insert--
if [ "$METHOD" = "suspend" ]; then
    METHOD="hibernate"
fi
HIBERNATE_MODE=suspend
SLEEP_MODULE=uswsusp
PM_HIBERNATE_DELAY=210
HIBERNATE_RESUME_POST_VIDEO=yes

vi /etc/polkit-1/localauthority/50-local.d/com.ubuntu.enable-hibernate.pkla
--Edit--
[Re-enable hibernate by default]
Identity=unix-user:*
Action=org.freedesktop.upower.hibernate
ResultActive=yes