I've been experiences shortness of breath, nausea and headaches about half way into my workout for several months now. I know it's not because I am out of shape and/or I am not used to the workout capacity or load because nothing really has changed in my workouts. I wondering if it's due to some low blood sugar or maybe fatigue from stress and inconsistent sleep lately?
Basically half way through my workout I have a hard time recovering and my lung capacity feels non-existent. I also get the feeling as if I am not getting enough oxygen to the brain and therefore causes me to become nauseous and get a headache. It sucks because I have to severally decrease the intensity and duration of my workouts. Here is my diet:
Breakfast - 3 eggs in tbs coconut oil, 3 slices of bacon, 1 cup beet kvass juice lunch - 10-12 ounces of meat, veges cooked in butter or coconut oil workout (2.5-3 hours after lunch) PWO - coconut water and protein powder Dinner - similar to lunch with some dark chocolate
I am 5'5", 150 lbs and 32 years old. My workouts are a combination of strength/power and conditioning, similar to crossfit football. They are usually not longer than 45 minutes (including warmup) and I workout 3-4 days a week.