Margaret Thatcher is famously said to have slept for four hours a night. How easy is it to do a high-powered job on this amount of sleep?

Margaret Thatcher was renowned for surviving on just four hours of sleep a night and now scientists may have found the source of her extraordinary ability.

Those who don't need a lot of sleep are said in the United Kingdom to have the “ The Thatcher Gene,” based on Margaret Thatcher’s sleeping habits of getting just four hours per night of rest ...

Margaret Thatcher famously survived on just four hours of sleep a night and now scientists may have found the source of her extraordinary ability.

Margaret Thatcher ran the country on four hours sleep. New father of two, Ian Douglas, has been forced into the same sleeping pattern and can barely tell what day it is, never mind manage the ...

MARGARET Thatcher was famous for needing just four hours of sleep a night. But newly-declassified Government files reveal the Prime Minister may have made up for it by napping in the back of her ...

After studying twins, a group of scientists discovered a gene mutation that allows some people to have better cognitive functioning after sleep deprivation than their peers.