What loft should a combination side-and-back sleeper use?+
Set it to the lower end of your side-sleeper loft range (roughly 4 to 5 inches for most people) so your neck is supported on your side but not craned forward on your back. Adjustable pillows make this easy to dial in.
Is an adjustable pillow worth it for combination sleepers?+
It's the single best feature for switchers. You tune it once to a height that's a fair compromise for both positions, and you can re-tune it as you figure out what feels right. Fixed high-loft pillows are the worst choice for this.
Are contour pillows good for combination sleepers?+
Usually not. A contour shape is built for one position, and it doesn't reshape when you roll. If you move between your side and back a lot, a medium or adjustable pillow is more forgiving.
Best pillow for stomach and side sleepers?+
Stomach sleeping wants the lowest loft of all, so if you mix stomach and side you're after a thin, soft or adjustable pillow set low, then it's bearable on your stomach and you add a little height by hand on your side. High-loft and contour pillows are the wrong call here.
Is one pillow enough for a combination sleeper?+
Usually, if it's adjustable and set to a middle height. The point of an adjustable pillow for switchers is that one pillow compromises acceptably across positions, instead of being perfect for one and painful for another.