Boozing and Snoozing

At this time of year, with Christmas and New Year just around the corner, many of us will be having a few drinks over the coming weeks, and no wonder after such a crazy year!  Even though we won’t necessarily be able to celebrate in the way we’d like to!

Any of us who have had a few alcoholic drinks before know that it appears to make you sleep better – or at least get off to sleep quicker.  But is that really the case?  Well, yes and no!  Let me explain!

A is for Alcohol…

Alcohols Effect on Sleep

So alcohol is a sedative, meaning that our sleep onset (the amount of time it takes us to get off to sleep) can be a lot quicker than if we had been sipping something non-alcoholic prior to heading to bed.  It also plunges us into a deeper sleep quicker than if we hadn’t had booze.

But (depending on the amount we’ve had) this is at the cost of reducing the amount of Rapid Eye Movement (REM or dream) sleep we get in the first couple of sleep cycles when we first of drift off, potentially creating an imbalance that lasts throughout the night.  So although we might have got off to sleep quickly it won’t be the quality we need, hence we can wake up feeling pretty groggy in the morning.  

Usually while in dream sleep, our bodies enjoy a type of paralysis (to stop us acting out our dreams), although the more we’ve had to drink, the less relaxed our muscles are, which could explain why you may become a little punchy in your sleep after a big drinking session when you do finally get some REM sleep.

Restless Sleep

The imbalance of deep and dream sleep can also mean the duration of our sleep is shorter and we’re more likely to wake more frequently too, probably because of the way our liver enzymes are breaking down the alcohol in our system – our bodies aren’t expecting our livers to be working quite so hard while we’re slumbering, so this can disturb our much needed rest.

Another thing that can make us wake more frequently when we’ve had a drink or two is that alcohol is also a diuretic, which is the fancy term for making us want to pee more often, meaning more trips to the bathroom during the night too (which will be more than if we’ve drunk the same amount of fluid that didn’t contain alcohol).  Ironically though, as alcohol also dehydrates us, we’re more likely to wake feeling thirsty too…argh!

Something else that you may experience when having a drink or two is that flushed feeling, which progressively gets warmer and warmer as you drink.  That’s because alcohol essentially has a sedative effect on our blood vessels too, so the blood supply increases, giving our faces that rosy cheeked appearance.  This can then continue in the night too causing night sweats and hot flushes as the alcohol is almost out of our system which can be another thing that wakes you.

Our bodies are clever and can quickly build a tolerance to the amount of alcohol we need to get us off to sleep quickly, so it could mean if we’re drinking regularly, especially if we’re doing it to help us get off to sleep, we’ll find we need to drink more to get the same effects…yikes!

Also, if we’re relying on alcohol to get us to sleep, there’s a higher chance of you sleepwalking, sleep talking and also more likely to have problems with your memory. 

So what can you do?  The obvious answer is not to drink to excess (one or two standard drinks don’t seem to make too much difference to the quality and quantity of our sleep if they’re consumed occasionally).  But also leaving preferably 4 hours between your last drink and bedtime can help.  If you can’t manage 4 hours, try 2!

Of course, I’m not preaching!  I’m a fan of the occasional glass or two of wine or a G & T, but I do believe that knowledge is power. So now you can make an informed decision about whether a few drinks with friends is worth losing sleep over.

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