Use reasoning to answer the following question.
If a human is sleepy what can they do to feel more alert?\nOptions:\n- dream dreams\n- think critically\n- cross road\n- drink coffee\n- drive a car

drink coffee
Drinking coffee contains caffeine.

One of the effects of caffeine is it reduces sleep.

Humans drink coffee to feel more alert when they feel sleepy.

.

So, the answer is drink coffee