By Victoria Allen for the Daily Mail
Published: 05:15 BST, 16 April 2019 | Updated: 05:15 BST, 16 April 2019
Winston Churchill and Margaret Thatcher apparently got by on four or five hours’ sleep a night.
But it seems they set far from an ideal example. Experts say that thinking we need only five or fewer hours is one of the most harmful myths about sleep.
Regularly managing on four or five hours increases the risk of heart attacks, strokes and early death,