Napping Increases Risk of High Blood Sugar

Anne Seccombe

I am sad to have to report that the odd afternoon nap appears to significantly increase the risk of blood sugar elevation and diabetes.

For a while now, we have known that getting less than the optimal 7-8 hours of sleep at night can have a negative effect on insulin resistance and blood sugar levels, but now it appears that napping during daytime hours is also bad for our health.

A study recently published in Diabetes Care has found from a prospective study of nearly 175,000 people that those who napped for less than 1 hour a day increased their long term risk of developing elevated blood sugar levels by 23%.  Those who napped for more than 1 hour a day increased their long term risk of developing elevated blood sugar levels by 55%!  Even more recent research by Dr Shahrad Taheri of Birmingham University has found from studying 16,000 people that as little as one afternoon nap a week increases the risk of developing elevated blood sugar by 23%.

More Information:

Xu Q, Song Y, Hollenbeck A, et al., Day napping and short night sleeping are associated with higher risk of diabetes in older adults, Diabetes Care, October 2009.

http://care.diabetesjournals.org/content/early/2009/10/06/dc09-1143.abstract?sid=1d2653fd-ea82-4f5a-bcf5-a16ebb2f6086

Taheri S, et al., Study details as presented at the Diabetes United Kingdom Annual Professional Conference in Glasgow 11 March 2009

http://www.diabetes.org.uk/Annual-Professional-Conference-2009/Programme/interactive-programme/

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