Melatonin is involved in the regulation of the sleep-wake cycle, circadian rhythms, and seasonal changes in the light dark cycle. Commonly used to induce sleep, some (but not all) find it to reduce jet lag. There is a high concentration of melatonin in the pineal gland, where it is manufactured. I was surprised to learn that there are significant amounts of melatonin present in the gastrointestinal tract.
In 2014 the average dual fuel reached an eye watering Â£1,344. The average electricity bill was Â£592 and the average gas bill was Â£752. But averages can be confusing. So to give you a better idea of how your own bill compares weâve estimated the total bill for small, medium and large users in the chart above.
Heating water. Homes connected to natural gas often include a hot water heater that relies on the commodity as well. Many people prefer a natural gas water heater because it's more economical to run. Since the price of natural gas is usually so much lower than electricity, using the commodity for any energy-consuming device will save you money on your energy bill. Natural gas hot water heaters typically range from 20 to 100 gallons to fit a variety of household sizes.