Evening habits to lower your blood sugar

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Blood sugar control isn’t just about what you eat — it’s closely tied to your overall lifestyle. Factors like stress, sleep, physical activity, hormones and even the time of day can play a role.

In particular, insulin sensitivity naturally decreases in the late afternoon and evening due to your body’s circadian rhythm. This means the same meal can cause a higher blood sugar spike at night than earlier in the day.

Based on expert advice from health and nutrition outlet EatingWell, here are some key habits to manage blood sugar after 5 p.m.

Take a light walk after dinner

Exercise improves insulin sensitivity and helps regulate blood sugar.

Even a 10–15 minute walk after a meal can reduce post-meal spikes. Light activities like stretching or household chores also help — consistency matters more than intensity.

Finish your dinner earlier

Late dinners can worsen nighttime blood sugar and reduce insulin efficiency.

Experts recommend finishing dinner 2 to 3 hours before bedtime.

A roughly 12-hour overnight fast may also support better blood sugar levels the following morning.

Eat more fiber

Foods rich in fiber like vegetables and whole grains slow carbohydrate absorption and prevent sharp spikes.

They also increase fullness, reduce overeating and support heart and metabolic health. Aim for about 8g of fiber at dinner.

Stick to consistent sleep routine

Poor sleep or irregular sleep patterns can disrupt blood sugar control.

Helpful habits include keeping a regular bedtime, making your bedroom cool and dark and limiting smartphone use before bed.

When getting ready for bed, people should also try to avoid late-night snacking, eating refined carbohydrates or sugars, sitting for long periods and consuming alcohol.

This article from Kormedi.com, Korea’s top health care and medical portal, is translated by a generative AI system and edited by The Korea Times.