Hi Liz -- No, not all Dr Greene models would be good for side sleepers. For example, this specific model you asked about -- the Dr Greene Holland Meadows Firm -- would generally not be recommended for side sleepers. In general, side sleepers should be looking for a mattress that is medium or softer in order to avoid pressure points in your shoulders and hips and to maintain proper spinal alignment by better conforming to the curves of your body (which are much more pronounced when sleeping on your side).