Sleep in this weekend

Scientists Say You Should Sleep in Past Noon on the Weekends

Don't feel so guilty next time you sleep in at the weekend - it could be prolonging your life.

The study looked at 43,880 people in Sweden, asking them about their sleep habits and following up 13 years later.

But when the short sleepers slept in on the weekends, their mortality rate did not differ from that of the consistent seven-hour-a-night sleepers.

"They sleep as much during weekdays as during weekends whereas the difference is huge in lower age groups", he explained. The results show that among people sleeping 5 hours a day, there is a 65% higher mortality rate.

The study found that for people 65 and under, weekend sleep could make up for deficits of sleep accrued during the week.




The Centers for Disease Control and Prevention recommends adults aged 18-60 get at least seven hours of sleep per night.

Can you really "catch up" on your sleep by staying in bed on the weekends? To the authors' credit, he said, they were aware they did not have a fine brush, and accordingly painted a broad outline of sleep habits.

When, instead, different combinations of weekday and weekend sleep durations were analysed, we observed a detrimental association with consistently sleeping ≤5 hr (hazard ratios 1.65; 95% confidence intervals 1.22-2.23) or ≥8 hr (hazard ratios 1.25; 95% confidence intervals 1.05-1.50), compared with consistently sleeping 6-7 hr per day (reference).

But Dr Stuart Peirson, an expert on the human "body clock" but who was not involved in the research, said the study offered a more nuanced view than previous research, which had suggested that both very little or a lot of sleep was bad for health and longevity.

Dr Peirson, based at the University of Oxford, noted that sleep requirements varied from person to person according to genetics, but he added that "sleep debt" needed to be "paid off". "Well, you can, but you won't live as long".

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