A coworker is constantly tired and asks you for advice on how to better sleep after a busy night shift. Which of the following responses would best address this situation?

A) "A small amount of alcohol can be relaxing and effective in helping you to sleep."
B) "Try to make your bedroom dark and keep the temperature cool."
C) "Research has shown that exercising prior to bed helps you fall asleep faster."
D) "Try eating a meal before going to bed since digestion makes you drowsy."

B