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Do you nap longer than 1-hour per day? How does the duration of naps affect our risk for diabetes?

Updated: Dec 6, 2022

Do you daytime nap longer than 1 hour per day?

  • Yes

  • No

Napping has been proven to have many advantages regarding alertness, cognition and performance throughout the day [1]. However, daytime napping has been associated with an increased risk of hypertension [2].

Since conflicting reports demonstrate the benefits and consequences of daytime napping, it is important to understand how napping affects diabetes risk [3].

What effect does napping have on diabetes?

Napping for periods greater than 1-hour increases your risk for diabetes

  • When you nap for greater than 1 hour per day during the daytime, your risk for diabetes increases to 31% [3]

Napping for periods less than 1-hour was not associated with any risk for diabetes

Thus, the risk for diabetes onset based on napping is dependent on the duration of the daytime napping interval.

Recognising the impact that time has on our likelihood of developing diabetes can help us better structure our lifestyle

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[1] Leong RLF, Lo JC, Chee MWL. Systematic review and meta-analyses on the effects of afternoon napping on cognition. Sleep Medicine Reviews. 2022:101666.

[2] Cheungpasitporn W, Thongprayoon C, Srivali N, Vijayvargiya P, Andersen CA, Kittanamongkolchai W, et al. The effects of napping on the risk of hypertension: a systematic review and meta-analysis. Journal of Evidence-Based Medicine. 2016;9(4):205-12.

[3] Guo VY, Cao B, Wong CKH, Yu EYT. The association between daytime napping and risk of diabetes: a systematic review and meta-analysis of observational studies. Sleep Medicine. 2017;37:105-12.


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