The Mail on Sunday was granted exclusive access inside cutting-edge sleep lab
Scientists at the University of East Anglia hosting 40 participants for new study
Deputy Health Editor Eve Simmons describes her experiences of taking the test
I Call True: I fear that these tests will reveal what all of us shift workers fear, that lack of sleep or irregular sleep does heavily contribute to loss of brain function. The trouble is even with this knowledge there is very little that we can do about it in the long run.