Read the short text. Read and complete the sentence with the correct part.

Deep sleep provides the best rest for a person. However, if your day sleep is long, it will be more difficult to fall asleep at night because your need for sleep will be reduced.

If your day sleep is long, ...

• you cannot fall asleep at night.
• your night sleep is long too.
• you can sleep for a long time.
• you don't need to sleep at night.