Question

all of the following help shift workers feel better, except
a drug called modafinil.
eating a large meal before, during, and immediately after a night shift.
brief naps during each shift.
light exposure during the last four hours of sleep.

Explanation:

Eating large meals before, during, and immediately after a night - shift can cause digestive problems and may not make shift - workers feel better. Modafinil can help with alertness, brief naps can improve energy, and light exposure during the last four hours of sleep can help regulate the circadian rhythm.

Answer:

B. eating a large meal before, during, and immediately after a night shift.