Both. I have three pillows but only ever use two at once, but I need a different one on top for when I'm sleeping on my side from when I'm lying on my back. I use the 'back' one for day naps and the side one at night. I also have a fat cushion to rest my knee on when I'm on my side or my calves on when I'm on my back.
It's all a bally nuisance but it's also necessary. I don't have them for decoration – perish the thought.
HRT - Starting for the first time at age 66.
John Healy has resigned as Defence Secretary



so any fancy cushions would spend most of their time on the floor.