torpor--Todd

tor·por  (tôrpr)

n.

1. A state of mental or physical inactivity or insensibility.

2. Lethargy; apathy. See Synonyms at lethargy.

3. The dormant, inactive state of a hibernating or estivating animal


post·pran·di·al  (pst-prnd-l)

adj.

Following a meal, especially dinner: took a postprandial walk through the woods.

In order to avoid postprandial torpor, Todd doesn't eat before he exercises.