The secret to a good night’s sleep is a topic that generates plenty of heated debate, and there’s lots of conflicting advice out there on how to better your chances of snoozing soundly.
Whether you have a nightcap before bed, or count sheep while tossing and turning for hours, there are lots of tips that have become common antidotes to a restless night under the covers.
According to a new study though, many of us may be self-sabotaging our sleep by following popular sleep myths that have little research behind them to prove they’re actually useful.
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Researchers from New York University’s Langone Health’s School of Medicine combed through more than 8,000 articles to find the most common ideas around sleep, and then asked a team of sleep medicine experts to explain which are unhealthy assumptions.
The findings, published in the journal Sleep Health, revealed there are many claims that could be damaging our health. Here are just five the researchers picked out:
1. Drinking alcohol can help you sleep
When you’re struggling to switch off at night, it can be tempting to uncork a bottle of vino and attempt to induce that sleepy red wine feeling. But while a glass of red might help you drift off initially, the researchers found it can dramatically reduce the quality of your rest.
A running remark at uni is that I don’t sleep after nights out and it’s very hard to explain to housemates that that happens because sometimes alcohol makes me too anxious to sleep— Ellen (@drivingmewilde) April 5, 2019
“The literature on sleep and alcohol shows that alcohol consumed close to bedtime reduces sleep latency, but subsequently causes sleep disturbances in the second half of the night,” the researchers write.
“Alcohol has a negative overall impact on sleep, delaying the onset of REM sleep,” the study concludes.
2. It’s OK to get less than five hours of sleep per night
Dream on, say researchers. The study found that the belief that getting less than five hours of sleep per night is healthy is inaccurate.
That four hour sleep was great— Lauren Aitken (@L_Aitken) April 10, 2019
The study team write: “Several studies show that even after weeks of observation and tracking, reducing sleep leads to sustained decrements in performance.”
And add: “Habitual insufficient sleep (five hours or fewer) is associated with adverse outcomes related to cardiovascular, metabolic, mental, and immunological health.”
They concluded that although you might “adjust” to being in a constant sleep-debt, you do so at the risk of serious health consequences.
3. Falling asleep ‘anywhere, anytime’ is the sign of a good sleeper
It’s easy to feel envious of those who can pass out on planes, trains and buses with complete ease, but the researchers say that napping on-the-go may be “indicative of a chronically sleep-deprived state.”
I'll never understand how some people can go to bed and just fall asleep. Or people who can sleep anywhere. What is your secret? Let me know? I've had insomnia forever and I need to know how you can just sleep. Especially undisturbed sleep. #Sleep #Insomnia— Joe Perry (@UglyKidJoePerry) April 12, 2019
Rather than being the sign of a good sleeper, they said that sleeping in uncomfortable places is “likely a sign of an underlying sleep problem.”
4. Snoring isn’t bad for your health
Loud snoring isn’t just annoying for other people to deal with – it’s also potentially a sign of bigger health issues, like sleep apnea, which raises the risk of high blood pressure, heart attacks and stroke.
“Snoring is caused by turbulent airflow due to partial obstruction of the upper airway during sleep,” the study authors write.
The best part about sleep apnea is not knowing how you sound to other people sleeping and constantly fearing your snoring sounds wierd— Maddie (@MimxMinx) April 14, 2019
“One large cross-sectional study of US adults found that 52.7% of reported snoring and that snoring was associated with adverse health outcomes in its own right.
“Furthermore, snoring is a primary symptom of OSA (obstructive sleep apnea) that, when untreated, places individuals at elevated risk for adverse cardiovascular events.”
5. Suffering from insomnia? You should stay in bed until you fall asleep
Common advice suggests that when you’re struggling to drift off, you should stay in bed until sleep finally comes. The researchers, however, say that counting sheep endlessly is not ideal.
I have been laying in bed for a good 2 hours trying to go to sleep. I need someone to come sing a lullaby or something this is ridiculous 🙄 pic.twitter.com/wBHiPvkTP2— Laura Lasker (@Malei18) April 16, 2019
Although it sounds counterintuitive, the researchers found that those who practice something called ‘stimulus control therapy’ – where they leave the bed when they’re struggling to sleep – demonstrate improvements in sleep issues.
A healthy sleeper should be able to nod off in 15 minutes, so if you’re still awake at this point, the researchers conclude you should get up and do something that avoids blue light (so no scrolling through your phone). This could be anything from reading a book on the sofa to doing a repetitive task like folding washing.
Before you know it, you’ll be ready to give getting to sleep another go.
- Press Association