You're at a Sleep Lab and the Researchers Wake Up

Multiple Choice

You're at a sleep lab and the researchers wake up every time you enter REM for a whole week. When you return to a normal sleep pattern, what should we expect?

A) You will not go into REM sleep for at least a day.
B) You will enter REM, but it will take longer than normal.
C) Stage 4 sleep will extend to compensate for the lack of REM.
D) You will show a REM-rebound effect.
E) Your sleep cycle will be normal.