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May 31
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A Diabete...
May 30 (edited)
Working night shifts can absolutely affect blood glucose levels — and with diabetes in the mix, it's worth paying close attention. Irregular sleep patterns are one of the main culprits.
When sleep is disrupted or reduced, the body produces more cortisol (a stress hormone). Elevated cortisol can cause blood sugar spikes Show Full Answer
Working night shifts can absolutely affect blood glucose levels — and with diabetes in the mix, it's worth paying close attention. Irregular sleep patterns are one of the main culprits.
When sleep is disrupted or reduced, the body produces more cortisol (a stress hormone). Elevated cortisol can cause blood sugar spikes, making diabetes harder to manage. Here are some specific ways night shift work can impact blood glucose:
- Disrupted sleep schedule — Inconsistent sleep raises cortisol levels, which can push blood sugar higher
- Eating habits — Late-night meals or carb-heavy snacks during shifts can cause glucose to stay elevated for hours
- Dawn phenomenon — Even on night shifts, the body can release hormones between 4–8 a.m. that naturally raise blood sugar
- Medication timing — Taking insulin or diabetes medication at irregular times can throw off glucose control
- Stress response — Physical and emotional stress from shift work triggers hormones like adrenaline, which also raise blood sugar
A few things that can help include keeping meals lower in carbs during shifts, sticking to a consistent medication schedule, and tracking glucose levels regularly — especially around sleep and meal times. A continuous glucose monitor (CGM) can be really useful for spotting patterns.
It's a good idea to talk with your doctor about adjusting your diabetes management plan to fit your shift schedule.
May 29
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