Hitting the snooze button on the clock occasionally can help the brain wake up from deep sleep, according to new research.
Sometimes people use the snooze button on watches and cell phones to go back to sleep even after the alarm goes off in the morning.
Scientists say that after decades of research in the past, it was reported that pressing the snooze button can have negative effects on both sleep and the brain’s ability to wake up, but so far no direct evidence has emerged.
The new study, published in the journal Journal of Sleep Research, examines how common it is to turn off alarms and the effects this behavior has on sleep, drowsiness, mood and the brain’s ability to think.
Researchers have found that people who hit the snooze button in the morning sleep less and feel more sleepy when they wake up than people who never turn off the alarm.
But the researchers also found that turning off the alarm had no negative effects on overnight release of the stress hormone cortisol, mood or sleep quality.
In the study, 1,732 people answered questions about their morning habits. These questions included how many times they hit the snooze button. Young adults in particular reported that they use this feature to turn off the alarm regularly.
According to survey participants, the most common reason for turning off the alarm is feeling too tired to get out of bed when it goes off.
In another small sub-experiment, 31 people who regularly turned off their alarms spent two nights in a sleep laboratory to get a more detailed assessment of their sleep.
One morning they were allowed to turn off the alarm for 30 minutes and the other morning they had to get up immediately when the alarm went off.
Although in the first case the sleep of those surveyed was disturbed by keeping the alarm off for half an hour, most of them still fell asleep for more than 20 minutes, meaning that their entire night’s sleep was significantly affected. Didn’t happen.
No one was suddenly awakened from deep sleep when the alarm was turned off, and those who turned off the alarm performed slightly better immediately after waking.
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There were also no clear effects of turning off the alarm on mood, sleep, or salivary cortisol levels.
The results suggest that turning off the alarm for half an hour may not have negative effects on a night’s sleep and may have some positive effects, such as reducing the likelihood of awakening from deep sleep.
However, the researchers cautioned that the second experiment was small and only included people who regularly set their alarms off and slept soundly for two hours each time the alarm went off. According to the researchers, it’s very likely that turning off the alarm isn’t for everyone.
Jennifer Canaan, from the University of Connecticut in the US, who was not involved in the research and specializes in sleep, says the latest findings should be interpreted with caution because they suggest people may send the wrong message.
“If you stay up for 30 minutes after the first alarm goes off, you’re doing so at the expense of 30 minutes of continuous, quality, and restorative sleep,” Dr. Canaan said in a statement. have been.’
Instead of trying to figure out how to use alarm clocks the way they want, people should prioritize getting a good night’s sleep and rely less on the snooze button, she says.
According to Dr. Kanaan: ‘Simply put, they should be getting more sleep instead of hitting the snooze button.’
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