Sleep and the response to hypoglycaemia.
Level 5 - mechanism / opinion, no new human data
Narrative review without systematic search or meta-analytic data
PubMed 21112027 · doi:10.1016/j.beem.2010.07.006
What was done
This narrative review summarizes the physiological and clinical aspects of nocturnal hypoglycaemia in diabetes, focusing on counterregulatory neuroendocrine responses, awakening mechanisms, clinical risks like cardiac arrhythmias, and prevention strategies.
What was found
The abstract reports no quantitative data or specific numerical estimates. It notes that sleep lowers the glycaemic threshold needed to trigger neuroendocrine counterregulation. In addition, whereas healthy individuals awaken in response to hypoglycaemia, individuals with type 1 diabetes frequently fail to awaken. Data regarding type 2 diabetes remain sparse, and effective detection or prevention strategies are lacking.
Why it matters
It emphasizes sleep as a state of heightened vulnerability where both autonomic defence and arousal mechanisms are impaired, contributing to undetected hypoglycaemic episodes and potential mortality.
Limits
The paper is an unsystematic narrative review with no direct empirical data or reported sample size. Specific evidence and physiological responses for type 2 diabetes are not addressed.
Cited by
- contradicts Uncontrolled diabetes causes nocturnal hypoglycemia that wakes individuals up in the middle of the night.