Is there a link between too much sleep and diabetes?

Study shows those who sleep more than eight hours a night have higher HbA1c levels

Sleeping too much, as well as too little, is tied to high blood sugar levels, not just in people with diabetes but also in those at high risk for developing the disease, a study finds.


Irregular sleep schedules and poor sleep quality are known to be associated with poor blood sugar control in people who already have diabetes.

However, in the new study, 73% of participants had prediabetes and the rest had recently been diagnosed with type 2 diabetes but hadn't been treated yet.

Overall, the study involved