For a laptop, it's very important to properly configure the power management components.
sudo apt install tlp smartmontools acpi
sudo systemctl enable tlp sudo systemctl start tlp
Uncomment these lines in
The service needs a quick restart for it to take effect:
sudo systemctl restart tlp
PulseAudio power management
Pulse sometimes hogs CPU, which can significantly shorten battery life.
load-module module-udev-detect tsched = 0