We can wake ourselves up by increasing our oxygen level by breathing deeply. Or conversely, we can put ourselves to sleep with a kind of meditation of shallow breathing, and repeating silently the words to the rhythmic "in" and "out" like a mantra.
Naomi Shah's family was not exempt from these ailments. Ever since she can remember, her brother and father suffered from allergies and respiratory illnesses and while most of these often have a season, their symptoms persisted year-round.
Are the latest respirator recommendations adequate to protect clean-up workers? I'm not sure they are, but I'm glad that at least some of the brave workers out there will have the benefit of respirators if they need them.