The concept of sleep dept has been increasingly recognized as we learn that sleeping in doesn’t help us feel more awake, according to a report published in The Telegraph.
Researchers at the University of Texas Southwestern Medical Centre found that “sleep debt” built up during the week can only be recovered by going to bed eight hours before our usual wake-up time – and not by going to bed later and getting up later. The circadian cycle, which controls our body clock, can be completely offset by a change in sleep pattern (such as a late night or lying in), making it difficult to get to sleep on Sunday night and even harder to wake up for work the next day. It can take a few days before the balance is reset by returning to our regular sleep schedule.
