Scientists say that eight hour sleep is essential for every human being.
Simple common sense like turning off the lights when not in the room, turning off the water when brushing ones teeth and perhaps having an electronic-free evening in which the family plays board games instead of their electronic devices or watches television are just a few ideas they could implement.
Independent coil mattresses require more coils because each one is independent which means that it is not connected to the other coils for support.