Translation of sleeper in Spanish

So we first went to look for other hotels in the area, some where horrible even though they were rated as three star hotels. In the end we bought the three day voucher at the travel agent's office.
We can try it out tonight, if you want, we just have to find the right hour. Peru is 5 hours behind Switzerland. So I'll just pay a visit to Peru in order to travel around and see the architecture.
We had decided to fly to Lima (instead of Buenos Aires, Argentina) and to visit Machu Picchu just a few weeks before leaving Europe.