Getting enough sleep is “one of the pillars of health,” says Fariha Abbasi-Feinberg M.D., a sleep specialist based in Fort Myers, Florida and spokesperson for the American Academy of Sleep Medicine.

It’s more than likely you’ve come across silicone. There’s quite possibly a silicone spatula, whisk or measuring spoon in your kitchen drawers. But, do you know the difference between silicone and ...