All of which suggests that Boris Johnson, London's mayor, has his work cut out to fulfil his pledge that, by the end of 2012, no one will live on his city's streets, and no one landing there will sleep out for a second night.

ECONOMIST: Helping the homeless

Looking around her one-room flat, she concludes that her daughter will have to sleep with her and her husband.

CNN: PLENTY OF ROOM FOR IMPROVEMENT

And if you strap the Fitbit One to your wrist with the included armband, the device will monitor your sleep quality and wake you in the morning by vibrating.

WSJ: Keeping Fit, One Step at a Time

One thing is certain, though: lots of Xbox Live subscribers will get very little sleep tonight.

FORBES: With Xbox Live Update, Microsoft Rules Your Television Set

"Homeless people will sleep in there in the winter - the welcoming sense is guaranteed, " one protester said.

BBC: New statue of Pope John Paul II sparks anger in Rome

While no one will dispute the fact that many of our current habits concerning food consumption, physical activity, stress management and sleep deprivation could use some positive invigoration.

FORBES: Timing Is Everything