Your Body’s Best Kept Secret to Long-Term Health is in Your Bed
Have you ever woken up from a night full of vivid dreams and unexpectedly felt more rested than usual? You were likely experiencing something more than just rest. That deep, dreamy sleep is called REM sleep, and new research shows it might do a lot more for your health than we thought.
What the Study Found
Researchers analyzed real world sleep data from nearly 96,000 adults. They used wrist devices that tracked real sleep patterns, not just what people remembered about their sleep. Then they followed these people for almost nine years to see who got sick and who stayed healthy.
The results were eye opening. People who got more REM sleep had a lower risk of 83 different diseases. People who got more deep sleep had a lower risk of 7 additional diseases. On the flip side, people whose sleep schedules were irregular, or who woke up frequently during the night, had a higher risk of developing diseases.
The study also backed up something many doctors already believe. The best amount of sleep is 6 to 8 hours a night. People who slept less than 5 hours had the most health problems of anyone in the study.
Why REM Sleep Is So Important
REM sleep is the stage where you dream. But it does much more than that. During REM sleep, your brain sorts through memories, balances your emotions, and helps your body handle important repair work. This repair work seems to affect your whole body, including your heart, your brain, and your metabolism.
This matters a lot for the individuals we see at Essence of Health Wellness Clinic, especially for many of the women who are going through perimenopause or menopause. During this time, hormone levels like estrogen and progesterone drop, and REM sleep often declines along with these hormone levels. This is not just about feeling tired the next day. Based on this new research, it may also affect your risk of disease as you continue to age.
What This Means for You
This study is a strong reminder that sleep is not optional. It is something your body needs to stay healthy in a sustainable manner and to prevent disease. If you have been brushing off poor sleep as just part of a busy life, this research gives you a good reason to take it seriously.
Here are a few things to keep in mind:
Try to keep a steady sleep schedule. The study found that people with irregular sleep patterns had higher health risks, even if they slept enough hours. Going to bed and waking up around the same time each day (even on weekends) really does matter.
Think about sleep quality, not just how many hours you get. Two people can both sleep for 7 hours and have very different amounts of REM and deep sleep. Things like hormone balance, stress, alcohol, and your bedtime habits all play a role.
If your hormones might be affecting your sleep, it is worth investigating. REM sleep often drops during perimenopause and menopause. The good news is there are ways to help, from balancing your hormones to changing certain daily habits.
The Bottom Line
Sleep should not be the first thing you cut when life gets busy. This research shows that the amount of REM sleep you get each night may quietly shape your health for years to come. Protecting your sleep now means protecting your long-term health.
If you have been struggling to sleep well, waking up often, feeling tired when you awake, or noticing changes since perimenopause started, we would love to help you get to the root cause and find out why. At Essence of Health Wellness Clinic, we look at the whole picture, your hormones, your metabolism, and your daily lifestyle habits, so you can start feeling like yourself again. We are accepting new patients at our Atlanta, GA office and at our Chattanooga, TN office locations.
Take our FREE Hormone Sleep Score Quiz to see if your sleep issues have a hormonal root cause. Then, schedule your Foundational Assessment at Essence of Health Wellness Clinic to build a personalized plan for your long-term health.
The Essence of Health is in You.
Source: Luo J, Liu R, Yin J, Cao W, Sun S, et al. (2026) Accelerometer-derived real-world sleep stages and risk of incident diseases: A UK Biobank cohort study and phenome-wide association analysis. PLOS Medicine 23(9): e1005213. https://doi.org/10.1371/journal.pmed.1005213
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