1 In the interests of safety and hygiene please ensure that your Thermos flask is cleaned with warm water and washing-up liquid prior to initial use.  For best results from your flask, before use, pre-fill for about 3 minutes, using either hot water for hot drinks or cold water for chilled drinks.
Extrapolating these findings to the general population, the authors estimated that 8 million elderly persons nationwide have insomnia on any given day, more than 1 million new cases of insomnia develop each year, and symptoms resolve in nearly 1.3 million elderly persons annually.
Sleep apnea is prevalent in as many as an estimated 18 million Americans alone. This statistic denotes that approximately 1 in every 15 Americans, or 6.62% of the total American population have a case of sleep apnea. Research conducted at the University of Californiaâs San Diego campus studied 54 African Americans and 346 Caucasians for the presence of sleep apnea.