Crib Mattresses: Are they all the same? Mar 31, 2017 Written by Filed under Baby, Baby Health, Crib Mattress, Healthy Baby, Natural, Organic, Prevention, SIDS, Sleep Crib Mattresses: Are they all the same? Babies. We can’t resist stroking and nuzzling a baby’s soft skin. It’s so freshly new and free of life’s scars, flawless and full of potential.