Or maybe drivers needed something to keep them awake while sending text messages and reading emails.

FORBES: Being Thoroughly Awake to Your Automotive Options

Their worries did not keep them awake time spent asleep increased, particularly for men.

ECONOMIST: Crisis-stricken Icelanders drink less and sleep more

Such questions--and the knowledge that many other banks are not asking them--combine to keep the bank's risk managers awake at night.

ECONOMIST: Financial technology: Beware the millennium | The