Read the paragraph. Read the question and choose the correct answer.
Stage four is your deepest sleep, and it is very difficult to wake up sometimes. Your dreams take place, heartbeats increase, and breathing and rhythms become irregular. It lasts longer than other sleep stages and occurs about 90 minutes after falling asleep.
Which statement is FALSE, according to the text?

• During stage four of your sleep, your dreams occur.
• During stage four of your sleep, you sometimes awake.
• During stage four of your sleep, your breathing and rhythms are irregular.
• During stage four of your sleep, your heartbeats may lessen.