REM proportion

REM proportion refers to the percentage of time spent in rapid eye movement sleep during a night's rest and is important for understanding how different factors affect overall sleep quality.

Indexed studies indicate that high-fat diets can disrupt dopamine regulation, leading to fragmented REM sleep and behaviors similar to ADHD. Regular caffeine intake delays the onset of REM sleep and reduces its proportion, negatively impacting sleep quality. In contrast, carbohydrates may improve sleep quality by potentially increasing the proportion of REM sleep. Additionally, in patients with obstructive sleep apnea, a higher proportion of REM sleep can be related to more severe breathing issues during this stage.

Strong connections exist between diet, particularly fat and carbohydrate intake, and how caffeine consumption influences REM sleep proportions. Mental health conditions like depression may also affect REM sleep through changes in brain activity.

The evidence comes from various studies with different focuses, so more research is needed for a comprehensive understanding of all factors influencing REM proportion.

Sources

• High-fat diet-induced dopaminergic dysregulation induces REM sleep fragmentation and ADHD-like behaviors. (PMID:37607442)
• Regular Caffeine Intake Delays REM Sleep Promotion and Attenuates Sleep Quality in Healthy Men. (PMID:34024173)
• Neurobiology and Neuroprotective Benefits of Sleep. (PMID:32756225)
• Proportion of rapid eye movement sleep related obstructive sleep apnea (REM related OSA) in patients with sleep disordered breathing: A cross sectional study. (PMID:34975051)
• A Systematic Review, Meta-Analysis and Meta-Regression on the Effects of Carbohydrates on Sleep. (PMID:33919698)
• A potentiation of REM sleep-active neurons in the lateral habenula may be responsible for the sleep disturbance in depression. (PMID:38944036)

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