Edit the file below as root like the instructions in the wiki: https://wiki.archlinux.org/index.php/Suspend_and_Hibernate#Hibernation
sudo vi /etc/default/grub
# edit entry:
GRUB_CMDLINE_LINUX_DEFAULT="resume=/dev/sda3"
Then, run:
Edit the file below as root like the instructions in the wiki: https://wiki.archlinux.org/index.php/Suspend_and_Hibernate#Hibernation
sudo vi /etc/default/grub
# edit entry:
GRUB_CMDLINE_LINUX_DEFAULT="resume=/dev/sda3"
Then, run: