Start the water flowing by turning off the water intake valve at the tank and turning on a hot-water faucet.

Some babies may also be calmed by the sound of a running faucet, a radio set on static, a recording of nature sounds or white noise—even the steady hum of the vacuum cleaner.

When we leave a room there is nobody, make sure the electricity is switched off, when we leave a washing room, check the tap is tightly turned off, avoiding tip-tap and waste of clear water.