Context: The other night I stayed up until six in the morning talking to a friend of mine . o.o It was really intense . The funny thing was that I did n't even get tired until about five , and it took us half an hour to hang up .

Question: What may have happened after they got off of the phone ?
Options:
0. They may have made coffee .
1. They may have gone to sleep .
2. They may have just stayed up for the day .
3. They may have taken a shower .
Answer: 1