Context: Nocturnal migrants minimize predation, avoid overheating, and can feed during the day. One cost of nocturnal migration is the loss of sleep. Migrants may be able to alter their quality of sleep to compensate for the loss.

Question: What is a benefit of nocturnal migration?
Answer: minimize predation

Question: What is a cost of nocturnal migration?
Answer: loss of sleep

Question: How do nocturnal migrants compensate for loss of sleep?
Answer: Migrants may be able to alter their quality of sleep

Question: What is another benefit of nocturnal migration?
Answer: avoid overheating