[BansheeBill]

From the Bureau of Prisons homepage:

Sleep soundly. We'll be up all night.
In our institutions located around the country, we work throughout the night to keep you safe.

[FirstFlaBn]

They need a bigger budget to pay for people to wake the guards up every so often.

Or maybe all they need is a cattle prod in their arse with a remote trigger that dings 10 seconds before the current flows, allowing time for insomniacs to shut it off.