I've installed runit with kde. I enabled hibernate by following instruction at https://wiki.archlinux.org/title/Power_management/Suspend_and_hibernate#Hibernation and tried to enable suspend then hibernate by editing /etc/elogind/logind.conf here is config file:
# This file is part of elogind.
#
# elogind is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# Entries in this file show the compile time defaults.
# You can change settings by editing this file.
# Defaults can be restored by simply deleting this file.
#
# See logind.conf(5) for details.
[Login]
#KillUserProcesses=no
#KillOnlyUsers=
#KillExcludeUsers=root
#InhibitDelayMaxSec=5
#HandlePowerKey=poweroff
HandleSuspendKey=suspend
#HandleHibernateKey=hibernate
#HandleLidSwitch=suspend
#HandleLidSwitchExternalPower=suspend
#HandleLidSwitchDocked=ignore
#PowerKeyIgnoreInhibited=no
#SuspendKeyIgnoreInhibited=no
#HibernateKeyIgnoreInhibited=no
#LidSwitchIgnoreInhibited=yes
#HoldoffTimeoutSec=30s
#IdleAction=ignore
#IdleActionSec=30min
#RuntimeDirectorySize=10%
#RuntimeDirectoryInodes=400k
#RemoveIPC=yes
#InhibitorsMax=8192
#SessionsMax=8192
[Sleep]
AllowSuspend=yes
#AllowHibernation=yes
AllowSuspendThenHibernate=yes
#AllowHybridSleep=yes
#AllowPowerOffInterrupts=no
#BroadcastPowerOffInterrupts=yes
#AllowSuspendInterrupts=no
#BroadcastSuspendInterrupts=yes
#HandleNvidiaSleep=no
SuspendState=mem standby freeze
SuspendMode=suspend
#HibernateState=disk
#HibernateMode=platform shutdown
#HybridSleepState=disk
#HybridSleepMode=suspend platform shutdown
HibernateDelaySec=15s
After that I can't see option for suspend. If I press sleep key only blank screen with cursor appears and any response from keyboard or mouse returns to desktop.
EDIT: I spent time myself experimenting and corrected logind.conf to make it working. Laptop users need to uncomment handle lid switch else this is fine.
# This file is part of elogind.
#
# elogind is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# Entries in this file show the compile time defaults.
# You can change settings by editing this file.
# Defaults can be restored by simply deleting this file.
#
# See logind.conf(5) for details.
[Login]
#KillUserProcesses=no
#KillOnlyUsers=
#KillExcludeUsers=root
#InhibitDelayMaxSec=5
#HandlePowerKey=poweroff
#HandleSuspendKey=suspend
#HandleHibernateKey=hibernate
#HandleLidSwitch=suspend
#HandleLidSwitchExternalPower=suspend
#HandleLidSwitchDocked=ignore
#PowerKeyIgnoreInhibited=no
#SuspendKeyIgnoreInhibited=no
#HibernateKeyIgnoreInhibited=no
#LidSwitchIgnoreInhibited=yes
#HoldoffTimeoutSec=30s
#IdleAction=ignore
#IdleActionSec=30min
#RuntimeDirectorySize=10%
#RuntimeDirectoryInodes=400k
#RemoveIPC=yes
#InhibitorsMax=8192
#SessionsMax=8192
[Sleep]
AllowSuspend=yes
AllowHibernation=yes
AllowSuspendThenHibernate=yes
#AllowHybridSleep=yes
#AllowPowerOffInterrupts=no
#BroadcastPowerOffInterrupts=yes
#AllowSuspendInterrupts=no
#BroadcastSuspendInterrupts=yes
#HandleNvidiaSleep=no
#SuspendState=mem standby freeze
#SuspendMode=suspend
#HibernateState=disk
#HibernateMode=platform shutdown
#HybridSleepState=disk
#HybridSleepMode=suspend platform shutdown
HibernateDelaySec=2min
Topic: [SOLVED]No sleep option after enabling hibernate (Read 657 times)
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