Which of the following statements is/are correct?1. REM-sleep becomes shorter with any repeated sleep cycle during the night.2. REM-sleep is more important for the regeneration of mental functions than all the other sleep stages are.

Question 229, Human Performance and Limitations - ATPL - Airline Transport Pilot license

1 is false, 2 is correct

1 and 2 are false

1 is correct, 2 is false

1 and 2 are both correct