Drivers who have trouble sleeping at night, fall asleep at odd times, or snore loudly, gasp, and choke in their sleep should _________.

You should consult your physician or a local sleep disorder center if you suffer from frequent daytime sleepiness, have difficulty sleeping at night, take frequent naps, fall asleep at strange times, snore loudly, gasp and choke in your sleep and/or wake up feeling as though you have not had enough sleep.