Ben had three options, he could sleep without a nappy, wake up in a wet bed and deal with the humiliation. He could tell Mike, or even Mr Allen, they would sort it out so that he got the nappies back, but in finding out who had taken them they would also announce to everybody else that he needed to wear nappies. His third option was simply to stay up all night, if he didn’t fall asleep he wouldn’t wet the bed. Plus, if he didn’t get any sleep he would look tired tomorrow, he could feign illness, stay behind at the hostel whilst everybody else went off to the Tate Gallery, and look for his nappies.
