On multiple occasions (including today), the day after a long ride I feel physically ill. Yesterday I completed the Napa Valley century which was 100 miles, 5,000 feet of climbing which finished in 100 degree heat. Today I am lethargic, shakey and nausious.
Initially, I attributed this to dillution of sodium levels in the blood (learned from internet based research) as a result of huge amounts of fluid intake. During the ride I drink water and Accelerade and afterward I ingest table salt.
Anyone experience similar effects? Any thoughts on prevention?