No it's not open 24hours.
No, I believe they close at 10 but there should always be some type of management "around"
No. Customer service is usually open about 7AM.
No, I actually used to work the fitting room and that required answering incoming calls, whether calling or going to customer service physically, not every place is the same but try the 8to8 rule, which is 8am-8pm.
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