Define Sleep.

Define Sleep.
Our circadian rhythm demonstrates our sleep wake cycle: people normally sleep during the night and are awake during the day. Think about professions such as health care workers, who often work rotating shifts. Why is this problematic? What can de done to deal with potential problems this may cause. (You can think about other professions, perhaps in your own experience)
Make sure to respond using APA format in an essay no less than 150