Sleepwear is of particular concern because people are less alert when sleepy; some people might smoke in bed or get too near to heaters on cold nights.

• 一般人有睡意时警觉性会减低，故此睡衣的易燃性要特别关注；有些人会在床上吸烟，或天气寒冷时太接近暖炉。