During intermittent fasting, the body gets accustomed to a certain meal schedule. This strengthens the circadian rhythm, improving sleep quality.
People who fast intermittently may produce more orexin-A (a neurotransmitter associated with alertness) during the day. Increased energy levels during the daytime lead to better sleep at night.
Intermittent fasting lowers insulin levels and causes the breakdown of fat cells, aiding in weight loss. Additionally, having dinner three hours before sleep reduces the chances of acid reflux.
Time-restricted eating may improve the body's response to insulin. Healthy cholesterol and blood sugar levels lower the risk of obesity and diabetes — the main risk factors for heart problems.
While melatonin (the sleep-inducing hormone) levels increase at night, heavy meals before bedtime can disrupt this process. Intermittent fasting prevents such eating patterns, improving sleep onset.
The effects of intermittent fasting will vary depending on one’s age, gender and overall health. It’s best to consult a medical professional before starting the fast.