19 Oct Long-Term Cannabis Use Linked to Poorer Sleep on Wearable Trackers, Even When Users Report Sleeping Well
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MedicalResearch.com Interview with:
Thanh-Huyen T. Vu, MD, PhD
Research Associate Professor
Department of Preventive Medicine
Northwestern University Feinberg School of Medicine, Chicago, Illinois
MedicalResearch.com: What is the background for this study? What are the main findings?
Response: Cannabis is widely used and legal in many states. Many people believe that it helps them sleep better. However, few studies have tested whether cannabis use is associated with sleep—particularly sleep that is measured using devices rather than self-reported. Our study asked adults about their cannabis use multiple times over 35 years. And more recently, we measured sleep duration and quality using a wearable device similar to an Apple Watch or Fitbit and asked people to tell us about their sleep.
We found that adults who used cannabis regularly over a number of years had sleep that we would describe as lower quality—more frequent awakenings and with less time during their sleep period spent asleep. However, when asked, adults who used cannabis and those who didn't reported similar sleep patterns—which wasn't the case when we measured it.
![We've all been there: staring at the ceiling at 3:00 AM, fluffing the pillows for the tenth time, and watching the clock tick closer to morning. In our fast-paced world, getting a full night of deep, restorative sleep can feel like a luxury. While most people reach for blackout curtains, sound machines, or herbal teas, they often overlook a major culprit behind poor sleep: physical misalignment and nervous system stress. If you are tired of waking up groggy, it might be time to look beyond your mattress. Exploring holistic wellness options and finding the best chiropractor near me can be the unexpected key to finally getting the rest your body craves. [IMAGE GOES HERE] The Hidden Connection Between Your Spine and Your Sleep It might seem strange to visit a chiropractor for a sleep issue, but your spine and your sleep quality are deeply connected through your central nervous system. Your spine houses the spinal cord, which acts as the highway for communication between your brain and the rest of your body. When your spine is misaligned, a condition known as a subluxation, it can irritate nearby nerves and keep your body in a constant state of low-grade stress. This physical tension makes it incredibly difficult for your body to transition into the parasympathetic "rest and digest" state necessary for deep sleep, a connection explored further in how hidden stressors accumulate in the spine. 3 Key Ways Chiropractic Care Improves Rest Chiropractic adjustments don't just crack bones; they help reset your body's structural alignment and reduce neural interference, an approach detailed in NCCIH's overview of chiropractic care. Here is how that translates to better nights: 1. Alleviating Chronic Pain and Discomfort The most obvious barrier to sleep is physical pain. Whether it's a dull lower back ache, neck strain from staring at a screen, or tension headaches, pain keeps your brain alert. Gentle chiropractic adjustments align the joints, reduce pressure on compressed discs, and alleviate muscle spasms, allowing you to find a comfortable sleeping position without constantly shifting. 2. Calming the Central Nervous System When your nervous system is overwhelmed by spinal misalignments, your body produces higher levels of cortisol, also known as the stress hormone. High cortisol levels keep your heart rate up and your mind racing. By restoring proper spinal alignment, chiropractic care helps reduce this systemic stress, signaling to your brain that it is safe to relax and drift off. 3. Improving Circulation and Respiration Proper alignment opens up pathways for better blood flow and nerve function. Improved circulation helps your body repair itself more efficiently during the night. Furthermore, neck alignments can improve airway function, which can be highly beneficial for individuals who suffer from tension-related snoring or shallow breathing during sleep. Taking the Next Step Toward Restorative Nights Healthy sleep is not just about the number of hours you spend in bed; it is about the quality of the rest your body achieves. If you have tried changing your bedtime routine and still wake up feeling like you haven't slept at all, it's worth addressing the structural side of the equation. By partnering with a qualified professional, you can address the root spinal imbalances that are keeping your body on high alert. Take control of your health today, search for the best chiropractor near me, and take your first step toward waking up truly refreshed. Disclaimer: The information on MedicalResearch.com is provided for educational purposes only, and is in no way intended to diagnose, cure, or treat any medical or other condition. Some links are sponsored. Products, services and providers are not warranted or endorsed by MedicalResearch.com or Eminent Domains Inc. Always seek the advice of your physician or other qualified health provider and ask your doctor any questions you may have regarding a medical condition. In addition to all other limitations and disclaimers in this agreement, service provider and its third party providers disclaim any liability or loss in connection with the content provided on this website.](https://medicalresearch.com/wp-content/uploads/2026/07/best-chiropractor-near-me.jpg)
The ResMed AirSense™ 10 AutoSet™ Tri-Pack is an essential package designed for individuals with sleep apnea who require consistent and effective therapy. This article delves into the key features benefits and frequently asked questions surrounding the ResMed AirSense™ 10 AutoSet™ Tri-Pack offering a guide to help you understand its significance in sleep apnea treatment.
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The 
Dr. Oliva[/caption]
Azahara Oliva PhD
Assistant Professor
Department of Neurobiology and Behavior
Cornell University
MedicalResearch.com: What is the background for this study? What are the main findings?
Response: The background is that we knew for a while now that neurons work hard to consolidate into memories each experience that we have during the day. But at the same time, it is known that sleep restore activity of our body and physiology. How was that possible? How can the neurons in our brain "work hard" during the time that we are supposed to be restoring our vitals? We found that in between their hard work, during sleep, our neurons take "breaks of activity" so our brain can build memories with precision.
Dr. Avinesh Bhar[/caption]
Dr. Parekh[/caption]
Ankit Parekh, PhD
Director of the Sleep And Circadian Analysis (SCAN) Group
Assistant Professor of Medicine
(Pulmonary, Critical Care and Sleep Medicine)
Icahn School of Medicine at Mount Sinai
MedicalResearch.com: What is the background for this study? What are the main findings?
Response: Sleep apnea is associated with incident cardiovascular disease, and is a common chronic condition affecting over a billion people worldwide. In diagnosing and treating sleep apnea, it is imperative to establish the type of sleep apnea—whether it is obstructive or central sleep apnea. The differential contribution of central vs. obstructive sleep apnea toward incidental cardiovascular disease in those with significant sleep apnea has not been well studied.
Our group has developed an automated algorithm that deduces on a breath-by-breath level whether reductions in airflow are predominantly due to obstructive or central phenomena. Our algorithm uses several features that are known to be key in distinguishing the type of events and derives a probability of obstruction across each “small” (reduced amplitude) breath. The breath-by-breath probability is then used to determine whether a patient’s burden of sleep apnea is predominantly obstructive or central.
In this work, we analyzed sleep study data from The Osteoporotic Fractures in Men (MrOS) cohort (N=2793) consisting of elderly men, across two visits separated on average by 6.5 years, and derived the probability of obstruction on a breath-by-breath level. The median probability of obstruction for each subject was computed and analyzed against outcomes of cardiovascular disease. We also assessed the stability of the metric in those without any prevalent cardiovascular disease. We find that median probability of obstruction was stable across the two visits, and those with any incident cardiovascular disease had a lower median probability of obstruction: patients with incident cardiovascular outcomes had a significant burden of sleep apnea that was predominantly “central” in nature.