Ever since fire was discovered, a desire to stay up has eroded our sleep time. But we may have pushed this too far as scientists are now warning of a global sleep epidemic. Show more
Discover 11,128,835 listings and 280,510 playable programmes from the BBC
Ever since fire was discovered, a desire to stay up has eroded our sleep time. But we may have pushed this too far as scientists are now warning of a global sleep epidemic. Show more
The BBC's international radio station
