Sleeping with the Lights On Can Increase Your Blood Sugar!

How does exposure to slightly brighter light during sleep affect insulin resistance, indicating a potential connection between light exposure and insulin response?

Study Overview:

• Two groups of 10 healthy adults participated in a study examining the impact of light on sleep and its effects on the heart and health.

Room Conditions:

• Group 1 stayed in dimly lit rooms.
• Group 2 experienced a mix of dim and slightly brighter light, comparable to a cloudy day or the light from a TV in a dark room.

Heartbeat Monitoring:

• Both groups wore monitors to track their heartbeats during sleep.

Heart Activity Findings:

• The group in slightly brighter rooms exhibited a higher nighttime heart rate compared to the previous night.

Autonomic Nervous System Involvement:

• The autonomic nervous system, active during sleep, regulates involuntary bodily functions like breathing, heart rate, digestion, and fight-or-flight responses.

Insulin and Sleep:

• During sleep, the body manages insulin, which helps cells utilize sugar for energy.
• Insulin resistance occurs when cells resist insulin, leading to elevated blood sugar levels.

Light's Impact on Insulin Resistance:

• The group with slightly brighter light during sleep showed increased insulin resistance upon waking, suggesting a potential link between light exposure and insulin response.

Significance of Findings:

• Insulin resistance can contribute to elevated blood sugar levels, highlighting the importance of understanding the impact of light on sleep-related bodily processes.

Study Limitations:

• The study involved a small sample size of 20 individuals over two nights.
• Emphasizes the need for further research before making significant changes to sleep habits.

Source:- https://www.livescience.com/sleep-in-lit-room-worse-heart-metabolic-health 

Disclaimer :-This information is not a substitute for medical advice. Consult your healthcare provider before making any changes to your treatment.Do not ignore or delay professional medical advice based on anything you have seen or read on Medwiki. 

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