The weekend sleep myth by Dai Eun Greer

There is a charming little lie at the heart of modern life, that sleep, like laundry or email, can be postponed until Saturday. We behave as though the human body were an understanding accountant. Take five hours on Tuesday, four on Wednesday, perhaps six on Thursday, and then make a large payment on Sunday morning. Surely the books will balance. Unfortunately, biology has never been especially impressed by our administrative systems.

The weekend sleep-in is not useless. It can make a person feel less like an abandoned appliance. After several short nights, extra sleep can reduce some of the immediate effects of sleep deprivation, restore alertness and improve mood. Anyone who has spent Friday evening staring at a television without remembering what was on it knows that sleep is not merely a luxury but a form of neurological housekeeping.

Yet “catching up” is a dangerous phrase because it suggests that sleep debt works like a credit-card balance. It doesn’t. You cannot simply sleep until the past week disappears. Some consequences of chronic sleep restriction accumulate, and repeatedly swinging between too little sleep during the week and much more on weekends can disrupt the body’s timing system. The Sunday night tragedy then arrives: wide awake at eleven, negotiating with Monday as though Monday were a hostage-taker.

This is where our culture’s worship of productivity becomes faintly ridiculous. We have constructed working lives that routinely squeeze sleep from the week, then congratulated ourselves for being sensible when we spend Saturday in bed. The adult equivalent of skipping meals and calling Sunday brunch a nutritional strategy is apparently considered normal.

The better question is not whether the weekend can repair us, but why we need the weekend to rescue us in the first place.

There is also something morally peculiar about the way we talk about sleep. We describe it as wasted time, an interruption of ambition, a concession made by people who lack discipline. The sleepless executive becomes a hero; the rested person is merely unavailable. We have somehow turned exhaustion into a status symbol, as if being permanently tired were evidence that one's life is important.

It isn’t. Sleep is not a reward for finishing the work. It is part of the machinery that makes doing the work possible. Memory, attention, emotional regulation and physical recovery all depend upon it. A weekend lie-in may help, but it should be regarded as emergency maintenance, not a lifestyle plan.

So yes, sleep can be caught up to a degree. But the phrase should come with an asterisk, preferably printed in very large letters.

The weekend can soften the consequences of a bad week. It cannot make chronic sleep deprivation a good idea.

Perhaps the most radical thing modern workers could do is stop treating sleep as something to earn. Go to bed. Civilization has survived worse delays than a rested employee answering email promptly. The revolution, too, will probably be more coherent after eight hours.