請替我合併以下句子
1.Dolphins only allow one half of their brain to fall asleep. They need to stay awake to breathe.
2.In the evening, we shouldavoid caffeine. Caffeine disturbs our sleep.
3.Tony Warren neverfalls asleep while working. He regularly works 36 hours without a break.
4. The man stayed awake for eleven days. He is wearing a stripy shirt.
5. Can you guess the name of this animal? It can sleep for three years without waking up.