human conditions, neurology

The Importance of Getting an Uninterrupted Night’s Sleep

A new study may not only make you want to head to bed on time tonight, but also try to make sure you don’t get any interruptions during the night. Why is that? It turns out that not getting enough sleep can be just as detrimental as repeatedly getting woken up at night. (This may be an obvious finding for many parents, but it’s still reassuring to see scientific data justifying the crankiness of a newborn’s parents.)

child human sleeping

While the volunteers in the recent study were women in their 20s, we can all appreciate getting some uninterrupted sleep. (Image credit: Alessandro Zangrilli)

Specifically, this study found that having one interrupted night of sleep (8 hours in a bed but with four interruptions, where each interruption needed a 15-minute, purposeful response) is just as bad as having a night with only 4 hours of sleep. This was measured by testing cognitive abilities and attention spans the next day through an activity online, as well as self-reporting moods. Overall, awoken and sleep-restricted volunteers similarly omitted more answers and made more mistakes when doing the activity, and reported more depression and fatigue, compared to when getting a night with a solid 8 hours of uninterrupted sleep.

While previous studies have reported an association between being woken up during the night and both being in a bad mood and having impaired cognitive functions the next day, this was the first study to find a causal link.

So if you’re able to get to bed on time so you can get 8 hours of snuggle time with your pillow, be sure to have that cell phone muted and other interruptions blocked or you might as well have stayed up another 4 hours!


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