1. In northern countries, bears start to become phlegmatic during the autumn, before finally falling into a deep sleep that lasts throughout the winter.
2. Being of a phlegmatic disposition, he almost never gets angry.
phlegma phlegmatos (inflammation, heat, humor caused by heat) (Greek)
Phlegmatic: phleg (flag) when we hoist a FLAG we have the AUTOMATIC reaction be calm and unexcited. Sounds like PRAGMATIC (practical). Practical people think with logic and show little emotion. If you have lots of phlegm due to cold then you would be unresponsive or impassive due to tiredness.