Screen blanking and suspend not functioning

[Miles]

The screen never dims or blanks. It also never goes into suspend mode.

I purged caffeine. No effect.

I purged TLP. It now attempts to blank but then comes back on again. Never suspends.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gnome-settings-daemon 3.28.1-0ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-22.24-generic 4.15.17
Uname: Linux 4.15.0-22-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.1
Architecture: amd64
CurrentDesktop: Budgie:GNOME
Date: Mon Jun 4 13:01:26 2018
ExecutablePath: /usr/lib/gnome-settings-daemon/gsd-power
InstallationDate: Installed on 2018-06-02 (1 days ago)
InstallationMedia: Ubuntu-Budgie 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-settings-daemon
UpgradeStatus: No upgrade log present (probably fresh install)