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.
The prevalence of food insecurity was highest for households located in nonmetropolitan areas (15.4 percent), intermediate for those in principal cities of metropolitan areas (14.1 percent), and lowest in suburban and other metropolitan areas outside principal cities (10.4 percent).