Well, for a start, there are those eyes, which are famously of a hue that would make a gemologist give little groaning sounds in his sleep, yet the look that they deliver mingles the come-hither with the stay-away.

NEWYORKER: Devotions

Yet sleep has a very long evolutionary history.

NEWYORKER: Up All Night

Yet Blankfein can't sleep some nights, fretful over what could go wrong "when the unforeseeable happens, " he says.

FORBES: Magazine Article

These are all really expensive places to be, yet I doubt Governor Brown loses sleep over the risk that Google will relocate to Salt Lake City, or that Disney will relocate to Tulsa.

FORBES: Density Limits Are Urban Protectionism

Better yet, keep one eye open while you sleep on the moves they make to improve education.

FORBES: Special K: Don't Sleep On Khan Academy, Knewton

Having said that, we do know sleep is key: Teens need an average of one or two hours more sleep than their 9- and 10-year-old siblings, yet studies show most teens gets a few hours less.

CNN: Should your teen take melatonin for help with sleep?

Dancer Wayne Sleep's hyperactive antics were also beginning to wear, and Danniella Westbrook jabbering on yet again about her well-publicised drug problems promised to annoy as well.

BBC: Jungle fever turns up the heat

Yet in his next breath he mentions a number of local families who have been forced to sleep rough since mortgage lenders foreclosed on their flats.

ECONOMIST: The city-state stays strict with the needy