Intermittent fasting (IF) has gained popularity as a dietary approach for weight management and metabolic health. However, its effects on sleep patterns, particularly among individuals with chronic pain, remain a topic of interest and investigation. Chronic pain, which affects millions worldwide, often disrupts sleep, leading to a complex interplay between diet, pain management, and sleep quality. Understanding how intermittent fasting might influence sleep patterns in this population requires a careful examination of the underlying mechanisms and potential benefits or drawbacks.

Chronic pain is a persistent pain condition that lasts longer than three months and can arise from various conditions such as arthritis, fibromyalgia, and neuropathic pain. The relationship between chronic pain and sleep is bidirectional; poor sleep can exacerbate pain perception, while chronic pain can disrupt sleep architecture. This disruption often manifests as difficulty falling asleep, frequent awakenings, and non-restorative sleep. Consequently, individuals with chronic pain frequently experience fatigue and reduced quality of life.

Intermittent fasting involves cycling between periods of eatin...