People taking common sleep drug may not realize they're too impaired to drive, study finds

A celebrated antipsychotic medication was recovered to trim obstructive slumber apnea (OSA) – but it besides led to impaired driving nan adjacent morning.

That’s according to a mini randomized controlled proceedings published successful nan Annals of nan American Thoracic Society.

Researchers from Flinders University successful Adelaide, Australia, conducted nan study successful 15 adults pinch OSA who besides had difficulty maintaining sleep. Each subordinate underwent 2 overnight slumber studies astir 1 week apart, according to a property release.

Researchers from Flinders University successful Adelaide, Australia, conducted nan study successful 15 adults pinch OSA who besides had trouble maintaining sleep. Each subordinate underwent 2 overnight slumber studies astir 1 week apart. (iStock)

The participants took 50mg of quetiapine (Seroquel) earlier furniture 1 night, and took a placebo nan pursuing night.

Quetiapine is simply a wide prescribed antipsychotic that is prescribed for schizophrenia, bipolar disorder and depression. It is besides often utilized off-label astatine little doses to dainty insomnia, worry and different slumber issues.

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The researchers monitored nan participants passim nan night, looking astatine their breathing, encephalon activity, oxygen levels and limb movements.

A female driver yawns while sitting down nan wheel, illustrating nan conception of falling dormant astatine nan wheel. (iStock)

The participants who took nan quetiapine had much than 40 minutes much full slumber clip and 45% little wakefulness during nan night, nan study found. Their apnea-related events besides reduced from 27 to 20 events per hour.

Despite these improvements, nan supplier appeared to slow guidance clip down nan instrumentality compared to those taking a placebo. This was based connected a driving simulator trial and a 10-minute guidance clip test, administered wrong 30 minutes of waking up.

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Those taking quetiapine knowledgeable much than triple nan number of attraction lapses and swerved retired of their lane much often successful nan driving simulator.

Eleven retired of 15 of nan participants reported emotion sleepier nan greeting aft taking nan medication, but  astir 1 successful 4 group did not admit their level of impairment. This was concerning because they whitethorn beryllium much apt to run a conveyance aliases machinery without realizing their guidance clip had slowed.

Other mild to mean broadside effects included nausea, restless legs and a abrupt humor unit driblet upon standing. (iStock)

Other mild to mean broadside effects included nausea, restless legs and a abrupt blood pressure driblet upon standing, which affected 1 successful 3 group taking quetiapine.

The study did person immoderate limitations, including nan mini sample size, nan authors noted. The participants were only evaluated for 1 night, and nan study’s laboratory mounting whitethorn not bespeak nan participants’ real-world use.

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Larger, longer-term studies are needed to corroborate nan findings earlier making decisions astir prescribing quetiapine for sleep apnea and insomnia, nan researchers said.

Pending follow-up studies, nan researchers urge that group debar driving aliases different safety-critical tasks for astatine slightest 9.5 hours aft taking quetiapine.

Women mostly metabolize these narcotics much slow than men, which tin power some efficacy and nan consequence of next-day broadside effects, an master said. (iStock)

Ashley Curtis, PhD, head of nan Cognition, Aging, Sleep and Health (CASH) Lab astatine nan University of South Florida, noted that definite hypnotic medications grounds activity differences successful metabolism.

Women mostly metabolize these narcotics much slow than men, which tin power some efficacy and nan consequence of next-day broadside effects, warned nan expert, who was not progressive successful nan study.

"Future studies should cautiously analyse whether these newer agents show akin sex-specific patterns to guarantee optimal dosing and information recommendations," she told Fox News Digital.

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The effect of quetiapine connected next-day cognitive function warrants further investigation, peculiarly among older adults, according to Curtis. 

"This organization is already susceptible to cognitive and related broadside effects related to polypharmacy, making it basal to understand nan imaginable trade-offs betwixt slumber benefits and daytime functioning," she added.

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Insomnia is often nan consequence of "learned behavioral and cognitive factors" that persist complete time, according to Curtis.

"Even erstwhile medications are effective successful nan short term, behavioral interventions specified arsenic cognitive behavioral therapy for insomnia stay an important constituent of semipermanent management," she said.

"This organization is already susceptible to cognitive and related broadside effects related to polypharmacy."

Chelsie Rohrscheib, caput slumber master astatine Wesper, a slumber study institution successful New York, agreed that patients shouldn't beryllium alarmed by these findings.

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"But if they're taking quetiapine for sleep, particularly if they person slumber apnea aliases aftermath up emotion groggy, they should talk pinch their expert astir whether nan benefits outweigh nan risks and whether different curen options mightiness beryllium appropriate," noted Rohrscheib, who was not affiliated pinch nan research.

Fox News Digital reached retired to nan supplier shaper and to nan study researchers for comment.