This is why you have weird dreams in the heatwave rte.ie - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from rte.ie Daily Mail and Mail on Sunday newspapers.
Millions of people wake up at 4:00 AM. A study in England found that 32 million Britons wake up at exactly 4:05 AM every night. Why is this?Lisa Artis, deputy chief executive of The Sleep Charity, a charity that provides support for people with sleep prob