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SCIENCE > Health

Beware of “sleep debt”

  • June 18, 2017
  • , NHK
  • JMH Summary

Sunday’s “NHK Special” ran a report on sleep deprivation, saying that a lack of sleep can lead to many serious diseases, such as cancer, diabetes, heart disease, and dementia. This not only applies to those who are severely sleep deprived due to busy schedules or stress, but also those who sleep 6 to 7 hours on a daily basis. Such people are actually increasing their risk of becoming sick or lowering their daily performance level because their hours of sleep fall slightly below the necessary amount per day. Researchers around the world refer to this as “sleep debt” and point out that resolving this problem is essential for extending healthy life expectancy. 

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