Some of the key symptoms of thyroid fatigue include: Feeling like you donât have the energy to exercise, and typically not exercising on a consistent basis. A heavy or tired head, especially in the afternoon, as your head is a very sensitive indicator of thyroid hormone status.hyroid-related fatigue begins to appear when you cannot sustain energy long enough, especially when compared to a past level of fitness or ability. If your thyroid foundation is weak, sustaining energy output is difficult.
Medical textbooks suggest that the normal respiratory rate for adults is only 12 breaths per minute at rest. Older textbooks often provide even smaller values (e.g., 8-10 breaths per minute).
The typical respiratory rate for a healthy adult at rest is 12â20 breaths per minute. Average resting respiratory rates by age are: 1  birth to 6 weeks: 30â40 breaths per minute.  6 months: 25â40 breaths per minute.