“…To overcome those challenges, reference was made to Lin and Deng (2008), who measured total insulation values for bedding materials commonly used in subtropical environments by applying a selection of bedding, sleepwear, and mattresses to a prostrate thermal mannequin in an environmental chamber [15]. Their method has guided most recent research on sleeping environments [49], [50], [51], [52], [53], [54], [55], and [56], particularly in hospitals [32], [17], and [16]. Two combinations of garments (i.e.…”