Lee has problems sleeping. For a week he will be ready to go to sleep around 6:00 p.m. and then wake around 2:00 a.m. The following week he will be ready to go to sleep around 10:00 p.m. and then wake around 6:00 a.m. Then for a week he will not be able to go to sleep until around 2:00 a.m., and he will wake around 10:00 a.m. This is followed by a week of not being able to go to sleep until 6:00 a.m. and waking around 3:00 p.m. His sleep cycle is like this each month, regardless of what he does to control his sleep patterns. He would be diagnosed with:

Question

Quizplus · Accepted Answer

Lee's sleep pattern indicates a disruption in his circadian rhythm, which is the internal biological clock that regulates the sleep-wake cycle. His sleep cycle is consistently shifting and not in line with a typical 24-hour day, suggesting a circadian rhythm disorder.

Lee Has Problems Sleeping