Yes, it is open 24 hours, there will always be a receptionist and you will have an ID card issued at check-in.
It is open 24 hours, you have an access card during your entire stay, which give you the right to come and go at any time, also has receptionist during the night.
Yes stay. You have a card and reception all night. It's very good.
24hrs, with the card you enter or leave whenever you want
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