IPad 2 switches off wifi - why?
I am in a hotel and I have an iPod Touch and an iPad 2 sitting side by side. I can connect them both to the same wifi network. After a time each will sleep, but when I wake up the Touch, it remains connected to the wifi, but on waking the iPad, not only is it not connected, but in its Settings wifi is off! I can't turn it on again without powering down the iPad and powering it up again! This doesn't happen when I'm at home.
What can be wrong and how can I fix it?
BTW both devices are using the latest iOS.