So, I had to wear a pulse oximeter over the weekend and ended up back in Burnaby this morning to go over the data recorded by the machine. The final verdict is that I have a mild form of sleep apnea, which basically means that I stop breathing from time to time during the night, and it usually causes enough stress on my body to make me to wake up so that I can breathe. Given that I've had high blood pressure most of my life, and that high blood pressure is often a symptom of sleep apnea, it's possible that they are all related. For now, I'll probably manage it conservatively, which means getting ...