Alcohol and the sleeping brain

This, too, can wake you up in the middle of the night, sometimes more than once. And the more water your kidneys release, the higher the chances you’ll get dehydrated. Dehydration can give you a headache; and pain itself can cause poor sleep. Also, getting up multiple times at night puts you at increased risk for falling. While heavy alcohol use can trigger insomnia, the opposite is also true. People with insomnia have an increased risk of developing alcohol use disorder, potentially because many individuals turn to alcohol as a sleep aid.

How Does Alcohol Affect the Sleep Cycle?

Alcohol is a muscle relaxant, so consuming alcohol at bedtime can make a person more prone to experience a blocked airway. People who typically snore or who have obstructive sleep apnea tend to display more severe snoring and lower blood oxygen levels after drinking alcohol, especially when they drink close to bedtime. People who regularly drink alcohol are 25% more likely to have obstructive sleep apnea, although the connection may be partly due to other shared risk factors such as obesity. Although consuming alcohol before bedtime helps you fall asleep faster, the popular beverage negatively affects overall sleep quality. When you consume alcohol before bed, your body metabolizes the alcohol throughout the night.

Sleep Stages

Doing calming activities before bedtime, such as taking a bath or using relaxation techniques, might promote better sleep. Many factors can interfere with a good night’s sleep — from work stress and family responsibilities to illnesses. Sleep is also controlled by nerve centers in the brain, containing nerve stems that produce serotonin (a chemical linked to the onset of sleep) and also norepinephrine (which regulates slow-wave sleep). Alcohol consumption changes the function of these chemical messengers resulting in changes to your sleep patterns. Weight can impact this recommendation and should be discussed with your doctor.

• The circadian rhythm is responsible for keeping the body anchored to a 24-hour cycle.
• Consider using room-darkening shades, earplugs, a fan or other devices to create an environment that suits your needs.
• People with alcohol in their systems are also generally harder to wake, which means that they’re less likely to experience “arousals” that help them recover from OSA- and CSA-related pauses in breathing.
• The recommended treatment for insomnia disorder in the community, as well as those with AUD, is CBT-I.
• Select the option(s) below that best describes you to get communication that matches your interests.

Many of us have indulged in a glass of wine to help send us off to bed, and more than 1 in 10 people uses alcohol to beat stress-related insomnia and sleep better at night. However, the bulk of the evidence shows that alcohol doesn’t improve sleep. On the contrary, as alcohol passes through the body, it exerts a number of biochemical effects that tend to lead to poorer sleep. Understanding the effects of alcohol on sleep is the first step toward preventing alcohol-related sleep problems. When you’re in the first two stages, you’re in “light sleep.” When you’re in the third stage, you’re in “deep sleep.” And the fourth stage is your “vivid,” or dream, stage. While every person’s individual sleep cycle varies, it’s generally true that each of us goes through four to six rounds of it.

Stick to a sleep schedule

Evidence suggests that consuming alcohol may decrease the body’s sensitivity to cues, like daylight and darkness, which trigger shifts in body temperature and secretion of the sleep hormone melatonin. These fluctuations play a vital role in the sleep-wake cycle, and when they are weakened—or absent—a person may feel alert when they want to sleep and sleepy when they want to be awake. As a general rule, stick to having a drink with a gap of at least 4-5 hours before bedtime – as it takes alcohol and sleep connection one hour to metabolize a full glass of alcohol. However, remember that alcohol has a way of manifesting itself on the body’s clock later on and, therefore, it’s always better to avoid it to ensure a good night’s sleep. Most can relate to not feeling great after drinking larger amounts of alcohol, which can be in part due to the poor quality sleep that we just received.

Alcohol Exacerbates Existing Health Conditions and Sleep Disorders

• As the alcohol in your system begins to wear off, something called “homeostatic recovery” can occur.
• As we’ve explored throughout this article, the relationship between alcohol and sleep is far more complex than it might initially appear.
• Have you ever woken yourself up snoring after an evening cocktail or two?
• And even though alcohol might make you feel sleepy at first, it can disrupt sleep later in the night.

It’s also important to note that 1 drink means 1 serving, so that may be 1 can of beer, 1 shot, or 1 glass of wine, irrespective of ounces or liquid volume. Alcohol can reduce the amount of Rapid Eye Movement (REM) sleep you have at night. REM sleep is where you have your most vivid dreams, and is probably the most restorative sleep stage. Alcohol can initially enhance the effects of GABA, a neurotransmitter that promotes relaxation and sleep. However, prolonged alcohol exposure can lead to a depletion of GABA levels, contributing to sleep disturbances. But the reality is that many people choose to raise a glass of beer, wine or liquor out of enjoyment or to toast good times.

However, this does not always stop people from starting to rely on alcohol as a sleep aid. Research in this area has consistently demonstrated that it only takes a few days to build a tolerance to the amount of alcohol being used to induce drowsiness. This can, unfortunately, lead to greater quantities over time and increase the likelihood of alcohol dependence. While drinking alcohol before bedtime may help you feel relaxed and sleepy, enjoying a nightcap puts you at risk of experiencing repeated wakings and low-quality sleep later in the night. Alcohol affects sleep in multiple ways and contributes to the appearance of different sleep disorders or to their worsening.

For example, people with moderate or severe anxiety who use alcohol in hopes of sleeping better are actually more likely to have sleep problems. Similarly, studies on bereaved individuals have found that using alcohol to cope with grief increases the risk of developing major depression, which is itself a risk factor for sleep disturbances. Have you ever woken yourself up snoring after an evening cocktail or two? That’s because alcohol and sleep apnea often go hand-in-hand—even in people who don’t otherwise have the condition. When you consume alcohol before bedtime, REM sleep typically pays the price.

While alcohol may initially help you fall asleep faster, it can disrupt your overall sleep quality and lead to frequent awakenings throughout the night. Alcohol is not an effective long-term solution for insomnia and may exacerbate the condition over time. While a small amount of alcohol may initially induce drowsiness, it can disrupt the later stages of sleep and lead to poor sleep quality overall. It’s generally recommended to avoid alcohol close to bedtime for better sleep.

If you think your alcohol intake may be negatively impacting your quality of sleep or sleep duration, there is always time and opportunities to adjust your lifestyle for better sleep. Alcohol increases levels of adenosine, a key component of the homeostatic drive. The homeostatic drive is responsible for keeping our body balanced, and it’s one of the major mechanisms that regulates the sleep-wake cycle. The homeostatic drive prompts sleep by boosting levels of adenosine when we’ve been awake for too long.

Although alcohol might help you fall asleep initially, it can disrupt your sleep cycle, prevent deep sleep, and cause you to wake up frequently throughout the night. Substantial evidence suggests that alcohol worsens symptoms of snoring and obstructive sleep apnea. These sleep-related breathing difficulties occur when soft tissues collapse and block the upper airway.

Help NCOA Make an Impact

Alcohol can initially suppress the activity of glutamate, a neurotransmitter involved in arousal and wakefulness. However, as the night progresses, alcohol can cause a rebound effect, leading to increased glutamate levels and disrupted sleep. Since alcohol affects everyone differently, it’s important to understand where your limit lies and how much alcohol you can drink before it starts to affect your sleep.