(4) Though the snooze button is intended to allow people a few extra minutes of sleep, it contributes to unhealthy patterns. (5) Most people think if they are tired when they first wake up that they must need more sleep. (6) They are mistaken when they conclude that any sleep is good sleep. (7) Sleeping is a process with different stages or cycles. (8) To feel fully rested, the body must go through all the sleep cycles. (9) Falling back asleep after hitting the snooze button restarts the process, but when the alarm rings again several minutes later, the process is interrupted. (10) The body has not had time to go through all of the stages, and this can cause the body to feel sleepy for the rest of the day. (11) This sleepiness can affect memory, the ability to make choices, and performance at work or school. What is the most effective transition to add to the beginning of sentence 6?
A) Even though
B) In contrast
C) Furthermore
D) However