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Updated: May 10, 2026

Through-the-Wall Blood Sampling Method to Minimize Sleep Disruption in Clinical Settings
Published on: June 13, 2025
Sleep apnea, sleep disturbance, and fasting glucose variability: a pilot study
Patrizio Tatti1, Felice Strollo, Desiderio Passali
1Endocrinology and Diabetes Unit, ASL Roma H, Ospedale S. Giuseppe, Rome, Italy. info@patriziotatti.it
Background:
Disturbed sleep and nocturnal altered breathing are related to disturbances of glucose metabolism. The present uncontrolled observational study explores the role of these factors on the variability of fasting glycemia.
Methods:
The number and duration of nocturnal awakenings and the fasting glycemia of 97 patients with type 2 diabetes treated with diet, metformin, or gliptins were recorded over seven consecutive days. During the same time period, the main respiratory indexes-oxygen disturbance index, apnea/hypopnea index, and respiratory disturbance index-were recorded for one night.
Results:
The three respiratory indexes and the number of nocturnal awakenings are highly correlated with the coefficient of variation of the fasting blood glucose recorded over the 7-day period at p < .005 level. A multiple regression analysis showed that the variables in the model explained 86% of the variability.
Discussion:
Respiratory/sleep disturbances appear to be modulators superimposed on blood glucose levels determined by other factors.
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