To snooze or not to snooze: the pros and cons of a lie-in

Everyone enjoys a good lie-in now and then, especially at the end of a long working week. But is staying in bed for longer than usual a harmless indulgence, or a potential health hazard?

The answer is more complicated than you might think. While a Sunday lie-in will not negatively affect your long-term health, and may actually lead to some short-term benefits, frequently getting more than eight hours sleep a night is a stepping stone to some serious physical and mental conditions.

Below are some of the pros and cons of oversleeping, so you can gain a better understanding of how it might be impacting your health.

The Pros

First and foremost, getting extra sleep on weekends can help you catch up on sleep you’ve lost during the week.

Many of us don’t get enough sleep during the week, thanks to early starts, work-related stress, and family and social commitments. Prolonged periods of poor sleep can result in fatigue, lower mood, as well as chronic conditions like high blood pressure and heart disease. Staying in bed for an extra couple of hours on a Saturday or Sunday may help negate these ill-effects in some instances, leaving you feeling refreshed.

Another benefit of sleeping in at the weekend is that you feel better about your sleep.

This may not sound important, but it is. Simply believing you’ve had a restful night’s sleep will make you feel more energised and happier throughout the following day, which in the long-term can help combat health issues like anxiety and depression.

Lastly, sometimes extra sleep is the best way to recover from illness and injury.

It’s when we are unconscious that our bodies can spend the energy they would otherwise use to power our brains and limbs on healing injuries and fighting disease.

It’s true what they say, everything feels better after a good night’s sleep, whether it’s your mood, a case of the flu, or even a broken bone.

The Cons

While sleeping in might not be bad for you, per se, it might not necessarily be good for you either, depending on your overall sleep habits.

The main drawback of sleeping in is that it can throw your body clock out of sync. Your circadian rhythm is your 24-hour body clock. It dictates when you feel tired and when you feel wakeful, as well as when you feel hungry.

Most of us fall into a natural rhythm over time: we eat at the same times every day, we go to bed at roughly the same time, and we wake up at the same time. By sleeping in, you disrupt your natural routine, potentially causing a form of circadian misalignment known as social jetlag. When you wake up later than usual, you’ll likely eat later than usual, and stay up later as you won’t feel as tired.

Lying in every Sunday won’t have much impact beyond a sluggish Monday morning, but if you’re constantly out of alignment with your own body clock, this can heighten your risk of diabetes, depression, heart disease and even cancer.

Another potential drawback of lying in is that it might not help you recover as much sleep as you think. If you only get five or six hours of sleep during the week, an extra hour or two in bed at the weekend won’t make much of a difference. In fact, since most people tend to go to bed at least two hours later at the weekend, you may in fact be getting less sleep despite your lie-in.

An occasional lie-in can provide a boost to your mood and aid recovery, but too much of a good thing will play havoc with your health.

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