Hot Sleeper? Consider this: Layer your Bedding. Every night our bodies lose moisture . The cause of this could be medical, environmental, temperature or the use of certain materials on the bed. Actual Moisture loss quantities vary and are debated. Some suggestions are up to 1 litre a night but we suggest you conduct your own research if you need to quantify this. The causes and implications of moisture loss are connected to the different conditions which exist in our bodies or our bedroom. Much of the moisture will find its way into your bedding and ultimately your mattress itself....