Lack of REM Sleep Linked to Cognitive Decline – Here’s What to Do

Lack of REM Sleep Linked to Cognitive Decline: A recent report hints that lengthening one’s REM sleep-containing periods might be a tactic for making infirmities, e.g., Alzheimer’s and Parkinson’s, the less likely to occur. The scientists insist that the visceral embrace of lousy REM sleep that occurs might be an early rationality for these syndromes. They altogether remind the public about self-care by sleeping restorative hours daily.

What Is REM Sleep?

REM (Rapid Eye Movement) is a phase of sleep that is more of a deep and sacred spiritual experience. It performs a main role in the storehouse of memory, learning, and brain activities. During REM sleep, the mind deals with sentiments, preserves memories and restores cognitive powers. Abolition of REM sleep has been discovered with cognitive sinking and bodily health diseases.

Dr. Lisa Carter, a neurologist, mentions, “REM sleep is the brains’ repair work time. Continued disturbed REM sleep can be one of the factors in known and new neurodegenerative diseases.”

How REM Sleep Affects Brain Health

A study site was The Journal of the Alzheimer’s Association through information of an announcement in the Alzheimer’s & Dementia issue of January 27, 2025, that revealed that the earlier people entered REM sleep the more amyloid and tau proteins they had in their bodies. These proteins are, after all, considered contributors to Alzheimer’s infections. The researchers still concluded that the levels of brain-derived neurotrophic factor (BDNF) were lower in these people among whom it is supposed an indisputable function of this protein that is needed for memory and cognitive function.

Yet another research published in November 2024 by The Lancet Neurology verified that REM sleep disorder (rbd) and Parkinson’s disease were related. The patients with rbd were present with a conformation of alpha-synuclein proteins in their brains, which is an indication of Parkinson’s disease. RBD seems to be a striking medical issue that is in the innermost self in the future.

How to Improve REM Sleep

Here’s a short list of expert’s tips on how to get closer to the good night’s sleep of your life:

1. Stick to a Sleep Schedule

Will be better if you go to bed and wake up at a certain time every day as the body has an internal clock that provides the right time for each process like resting and waking. Hence, making it a regular thing allowing time for your body to gain a proper sleep such as REM sleep.

2. Create a Restful Sleep Environment

The best environment to sleep in is a cool and completely dark room free from night sounds. Use earplugs, a white noise machine or blackout curtains if necessary.

3. Limit Caffeine and Alcohol

Caffeine and alcohol are stimulants that can disrupt normal sleep patterns. The rule of 4 to 6 hours should be applied when avoiding the use of the stimulants before sleep.

4. Manage Stress

Having too much stress may not allow one to have the full amount of REM sleep as a person usually does. Mediation can be very helpful when you take long, deep breaths through your nose.

5. Get Enough Sleep

Every adult needs 7-9 hours of sleep every night because that is the time when the body goes into the REM sleep stage. It is during which the body does all it can so the person becomes refreshed when one is awake.

6. Exercise Regularly

It also has been observed that regular exercise during the day leads to better quality of sleep at night time. Just make sure that the previous rule about not doing exercises before going to bed is also followed.

7. Avoid Screens Before Bed

The light of the screens has the “inhibitory” effect that suppresses the pineal gland’s release of melatonin, the body’s real sleep hormone. Quite a few people turn the bright screen off and read books or listen to the lover’s sensation of nice music.

Why This Research Matters

Certain investigations demonstrate that sleep disorders are indicators of Alzheimer’s and Parkinson’s disease. Doctors are persuading those to watch out for their sleep patterns because these illnesses might be diagnosed earlier on and, for that, sleeping cycles of every person have to be watched with great detail. All the information given above can be completed with the “And” connector. A good sleep routine can also change the outcome because the risk of getting negatively affected by brain diseases could decrease.

“Many individuals tend to think of sleep problems on the back burner, but they can be an important warning sign. Having a sufficient amount of REM sleep is most important for the health of the brain in the long run.”

REM sleep is the key to memory, learning, and brain function. According to researchers, new evidence indicates that it may also be an effective shield against Alzheimer’s and Parkinson’s. Basic routines such as going to bed and waking up at the same time every day, minimizing stress, and cutting out caffeine help the sleep in this stage.

If you have regular episodes of sleeplessness, you should schedule a meeting with a medical professional. The good thing about sleep is one of the ways to support the health of the brain and prevent the weakening of memory.

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