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Bedtime battles: 1 in 4 parents say their child can’t go to sleep because they’re worried or anxious

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Bedtime battles: 1 in 4 parents say their child can’t go to sleep because they’re worried or anxious


Many bedtime battles stem from children’s after dark worries, suggests a new national poll.

And while most families have bedtime rituals to help their little ones ease into nighttime, many rely on strategies that may increase sleep challenges long term, according to the University of Michigan Health C.S. Mott Children’s Hospital National Poll on Children’s Health.

Overall, one in four parents describe getting their young child to bed as difficult — and these parents are less likely to have a bedtime routine, more likely to leave on a video or TV show, and more likely to stay with their child until they’re asleep.

“Our report reinforces the common struggle of getting young children to sleep. When this transition to bedtime becomes a nightly conflict, some parents may fall into habits that work in the moment but could set them up for more sleep issues down the road,” said Mott Poll co-director Sarah Clark, M.P.H.

“Establishing a consistent bedtime routine is crucial. When children don’t get enough rest, it can impact their physical development, emotional regulation and behavior.”

Nearly one in five parents say they have given their kids melatonin to help with sleep while a third stay in the room until their child completely dozes off, according to the nationally representative poll that includes responses from 781 parents of children ages one to six surveyed in February.

Nighttime worries interfere with sleep

Parents share common reasons behind bedtime struggles, with nearly a quarter saying their child’s sleep is often or occasionally delayed due to being worried or anxious.

A particular challenge, parents say, is when children don’t stay asleep. More than a third of parents say their child wakes up upset or crying, with more than 40% saying their child moves to their parents’ bed and about 30% saying children insist that the parent sleep in their room.

“Many young children go through stages when they become scared of the dark or worry that something bad might happen, causing them to delay bedtime or become distressed by parents leaving the room. Bad dreams or being awakened in the middle of the night can also disrupt sleep,” Clark said.

“Although this is a normal part of a child’s development, it can be frustrating when parents already feel tired themselves at the end of the day. Parents should find a balance between offering reassurance and comfort while maintaining some boundaries that help ensure everyone — both kids and adults — get adequate sleep.”

More findings from the report, plus Clark’s recommendations for helping young children fall and stay asleep:

Stick to a regular bedtime routine

Most parents polled report having a bedtime routine for their child, often including brushing teeth, reading bedtime stories and/or bathing. Less than half also say their child has a drink of water or snack, turns off devices, prays and talks about their day.

Other bedtime habits include holding a blanket or stuff animal or sucking a pacifier or fingers.

Not only does having a consistent bedtime routine help make the nighttime transition smoother, Clark says, it also provides one-on-one time, allowing the child to get their parent’s full attention.

“A predictable bedtime routine provides a sense of security and comfort and signals to the child that it’s time to slow down,” she said.

“Knowing what to expect next can reduce anxiety and help children feel safe and relaxed. Having this dedicated time with parents also promotes bonding and emotional connection, creating positive associations with bedtime.”

Nearly two-thirds of parents also said children staying up to play was a major factor in delaying sleep. Clark says, highlighting the need to wind down at least an hour before bed.

Promote an environment conducive to sleep

A little less than half of parents polled say their child sleeps in their own bedroom while less than a quarter share a bedroom with siblings or in the parents’ bedroom. One in 10 kids spend part the night in their own bedroom and part of the night with parents.

More than two-fifths of parents polled said noise from other rooms interfered with their child’s sleep.

“The sleep environment can have a major effect on a child’s sleep quality, including getting to sleep and staying asleep through the night,” Clark said.

“When possible, children should have their own bed in a room that is quiet, without a lot of noise from other family members.”

Many parents polled also use a nightlight or crack the bedroom door so the child isn’t in complete darkness, Clark says, but parents should make sure the light does not shine directly at the child’s face.

Some parents also play calming music or stories to help their child go to sleep, while others use a white noise machine or app. However, Clark cautions to keep white noise machines at no more than 50 decibels and placed at least seven feet from the child’s bed to prevent unintended damage to the child’s hearing.

Talk to a doctor before using aids like melatonin

Many types of melatonin products are advertised as being appropriate for children but these products have not undergone rigorous testing for safety and effectiveness, and their side effects and long term impact on a child’s growth and development are unknown, Clark says.

“Although melatonin is a natural hormone that regulates sleep-wake cycles and may be fine to use occasionally, parents shouldn’t rely on it as a primary sleep aid,” Clark said.

“Parents who are considering giving melatonin to their young child should consult with their pediatrician to discuss options and rule out other causes of sleep problems first.”

If using melatonin, parents should also start with the lowest dose possible.

In addition, it’s important to keep electronics such as tablets or televisions out of children’s bedroom, as the blue light emitted by many of these screens interferes with the natural production of melatonin.

Offer comfort but enforce boundaries

Parents can help ease little ones’ anxiety by allowing extra time to let them talk about their day, which might draw out specific worries and give parents a chance to provide compassion and reassurance, Clark said.

Rather than remaining in the room, parents can also offer to check on the child every few minutes, which acknowledges the child’s fears and offers a reassuring presence, but still maintains a calm sleep environment and promotes sleep independence.

“Families can incorporate comforting rituals to help transform nighttime fears into a calming experience,” Clark said.

Have a consistent approach when children wake up in the night

Some children are prone to vivid dreams or nightmares and may have difficulty getting back to sleep. Parents should decide on their approach to this situation and stick with it, Clark says, whether it’s taking the child back to bed or allowing them to stay in the parents’ room.

“Being consistent in carrying out that approach will help the child adjust and be more likely to return to sleep,” Clark said.

Ease into changes in sleep patterns, such as dropping naps

For young children, a major sleep-related transition is discontinuing daytime naps. In general, children ages one to two should get 11-14 hours of sleep with naps while the amount of recommended sleep decreases slightly from ages three to six.

If children are taking longer to fall asleep at nap time, resisting naps or suddenly having difficulty falling asleep at night or waking up earlier than usual in the morning, it may be time to drop the nap, Clark says.

“Parents may need to adjust sleep routines gradually to transition to changes to a child’s sleep patterns,” Clark said.

Other changes that can affect a child’s sleep include transitioning from a crib to a toddler bed, starting school, having a change in their daytime routine, or being outdoors for longer than usual.



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Waste Styrofoam can now be converted into polymers for electronics

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Bedtime battles: 1 in 4 parents say their child can’t go to sleep because they’re worried or anxious


University of Delaware and Argonne National Laboratory have come up with a chemical reaction that can convert Styrofoam into a high-value conducting polymer known as PEDOT:PSS. In a new paper published in JACS Au, the study demonstrates how upgraded plastic waste can be successfully incorporated into functional electronic devices, including silicon-based hybrid solar cells and organic electrochemical transistors.

The research group of corresponding author Laure Kayser, assistant professor in the Department of Materials Science and Engineering in UD’s College of Engineering with a joint appointment in the Department of Chemistry and Biochemistry in the College of Arts and Sciences, regularly works with PEDOT:PSS, a polymer that has both electronic and ionic conductivity, and was interested in finding ways to synthesize this material from plastic waste.

After connecting with Argonne chemist David Kaphan during an event hosted by UD’s research office, the research teams at UD and Argonne began evaluating the hypothesis that PEDOT:PSS could be made by sulfonating polystyrene, a synthetic plastic found in many types of disposable containers and packing materials.

Sulfonation is a common chemical reaction where a hydrogen atom is replaced by sulfonic acid; the process is used to create a variety of products such as dyes, drugs and ion exchange resins. These reactions can either be “hard” (with higher conversion efficiency but that require caustic reagents) or “soft” (a less efficient method but one that uses milder materials).

In this paper, the researchers wanted to find something in the middle: “A reagent that is efficient enough to get really high degrees of functionalization but that doesn’t mess up your polymer chain,” Kayser explained.

The researchers first turned to a method described in a previous study for sulfonating small molecules, one that showed promising results in terms of efficiency and yield, using 1,3-Disulfonic acid imidazolium chloride ([Dsim]Cl). But adding functional groups onto a polymer is more challenging than for a small molecule, the researchers explained, because not only are unwanted byproducts harder to separate, any small errors in the polymer chain can change its overall properties.

To address this challenge, the researchers embarked on many months of trial and error to find the optimal conditions that minimized side reactions, said Kelsey Koutsoukos, a materials science doctoral candidate and second author of this paper.

“We screened different organic solvents, different molar ratios of the sulfonating agent, and evaluated different temperatures and times to see which conditions were the best for achieving high degrees of sulfonation,” he said.

The researchers were able to find reaction conditions that resulted in high polymer sulfonation, minimal defects and high efficiency, all while using a mild sulfonating agent. And because the researchers were able to use polystyrene, specifically waste Styrofoam, as a starting material, their method also represents an efficient way to convert plastic waste into PEDOT:PSS.

Once the researchers had PEDOT:PSS in hand, they were able to compare how their waste-derived polymer performed compared to commercially available PEDOT:PSS.

“In this paper, we looked at two devices — an organic electronic transistor and a solar cell,” said Chun-Yuan Lo, a chemistry doctoral candidate and the paper’s first author. “The performance of both types of conductive polymers was comparable, and shows that our method is a very eco-friendly approach for converting polystyrene waste into high-value electronic materials.”

Specific analyses conducted at UD included X-ray photoelectron spectroscopy (XPS) at the surface analysis facility, film thickness analysis at the UD Nanofabrication Facility, and solar cell evaluation at the Institute of Energy Conversion. Argonne’s advanced spectroscopy equipment, such as carbon NMR, was used for detailed polymer characterization. Additional support was provided by materials science and engineering professor Robert Opila for solar cell analysis and by David C. Martin, the Karl W. and Renate Böer Chaired Professor of Materials Science and Engineering, for the electronic device performance analyses.

One unexpected finding related to the chemistry, the researchers added, is the ability to use stoichiometric ratios during the reaction.

“Typically, for sulfonation of polystyrene, you have to use an excess of really harsh reagents. Here, being able to use a stoichiometric ratio means that we can minimize the amount of waste being generated,” Koutsoukos said.

This finding is something the Kayser group will be looking into further as a way to “fine-tune” the degree of sulfonation. So far, they’ve found that by varying the ratio of starting materials, they can change the degree of sulfonation on the polymer. Along with studying how this degree of sulfonation impacts the electrical properties of PEDOT:PSS, the team is interested in seeing how this fine-tuning capability can be used for other applications, such as fuel cells or water filtration devices, where the degree of sulfonation greatly impacts a material’s properties.

“For the electronic devices community, the key takeaway is that you can make electronic materials from trash, and they perform just as well as what you would purchase commercially,” Kayser said. “For the more traditional polymer scientists, the fact that you can very efficiently and precisely control the degree of sulfonation is going to be of interest to a lot of different communities and applications.”

The researchers also see great potential for how this research can contribute to ongoing global sustainability efforts by providing a new way to convert waste products into value-added materials.

“Many scientists and researchers are working hard on upcycling and recycling efforts, either by chemical or mechanical means, and our study provides another example of how we can address this challenge,” Lo said.

The complete list of co-authors includes Chun-Yuan Lo, Kelsey Koutsoukos, Dan My Nguyen, Yuhang Wu, David Angel Trujillo, Tulaja Shrestha, Ethan Mackey, Vidhika Damani, Robert Opila, David Martin, and Laure Kayser from the University of Delaware and Tabitha Miller, Uddhav Kanbur, and David Kaphan from Argonne National Laboratory.



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New snake discovery rewrites history, points to North America’s role in snake evolution

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Bedtime battles: 1 in 4 parents say their child can’t go to sleep because they’re worried or anxious


A new species of fossil snake unearthed in Wyoming is rewriting our understanding of snake evolution. The discovery, based on four remarkably well-preserved specimens found curled together in a burrow, reveals a new species named Hibernophis breithaupti. This snake lived in North America 34 million years ago and sheds light on the origin and diversification of boas and pythons.

Hibernophis breithaupti has unique anatomical features, in part because the specimens are articulated — meaning they were found all in one piece with the bones still arranged in the proper order — which is unusual for fossil snakes. Researchers believe it may be an early member of Booidea, a group that includes modern boas and pythons. Modern boas are widespread in the Americas, but their early evolution is not well understood.These new and very complete fossils add important new information, in particular, on the evolution of small, burrowing boas known as rubber boas.

Traditionally, there has been much debate on the evolution of small burrowing boas. Hibernophis breithaupti shows that northern and more central parts of North America might have been a key hub for their development. The discovery of these snakes curled together also hints at the oldest potential evidence for a behavior familiar to us today — hibernation in groups.

“Modern garter snakes are famous for gathering by the thousands to hibernate together in dens and burrows,” says Michael Caldwell, a U of A paleontologist who co-led the research along with his former graduate student Jasmine Croghan, and collaborators from Australia and Brazil. “They do this to conserve heat through the effect created by the ball of hibernating animals. It’s fascinating to see possible evidence of such social behavior or hibernation dating back 34 million years.”



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Good timing: Study unravels how our brains track time

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Bedtime battles: 1 in 4 parents say their child can’t go to sleep because they’re worried or anxious


Ever hear the old adage that time flies when you’re having fun? A new study by a team of UNLV researchers suggests that there’s a lot of truth to the trope.

Many people think of their brains as being intrinsically synced to the human-made clocks on their electronic devices, counting time in very specific, minute-by-minute increments. But the study, published this month in the latest issue of the peer-reviewed Cell Press journal Current Biology, showed that our brains don’t work that way.

By analyzing changes in brain activity patterns, the research team found that we perceive the passage of time based on the number of experiences we have — not some kind of internal clock. What’s more, increasing speed or output during an activity appears to affect how our brains perceive time.

“We tell time in our own experience by things we do, things that happen to us,” said James Hyman, a UNLV associate professor of psychology and the study’s senior author. “When we’re still and we’re bored, time goes very slowly because we’re not doing anything or nothing is happening. On the contrary, when a lot of events happen, each one of those activities is advancing our brains forward. And if this is how our brains objectively tell time, then the more that we do and the more that happens to us, the faster time goes.”

Methodology and Findings

The findings are based on analysis of activity in the anterior cingulate cortex (ACC), a portion of the brain important for monitoring activity and tracking experiences. To do this, rodents were tasked with using their noses to respond to a prompt 200 times.

Scientists already knew that brain patterns are similar, but slightly different, each time you do a repetitive motion, so they set out to answer: Is it possible to detect whether these slight differences in brain pattern changes correspond with doing the first versus 200th motion in series? And does the amount of time it takes to complete a series of motions impact brain wave activity?

By comparing pattern changes throughout the course of the task, researchers observed that there are indeed detectable changes in brain activity that occur as one moves from the beginning to middle to end of carrying out a task. And regardless of how slowly or quickly the animals moved, the brain patterns followed the same path. The patterns were consistent when researchers applied a machine learning-based mathematical model to predict the flow of brain activity, bolstering evidence that it’s experiences — not time, or a prescribed number of minutes, as you would measure it on a clock — that produce changes in our neurons’ activity patterns.

Hyman drove home the crux of the findings by sharing an anecdote of two factory workers tasked with making 100 widgets during their shift, with one worker completing the task in 30 minutes and the other in 90 minutes.

“The length of time it took to complete the task didn’t impact the brain patterns. The brain is not a clock; it acts like a counter,” Hyman explained. “Our brains register a vibe, a feeling about time. …And what that means for our workers making widgets is that you can tell the difference between making widget No. 85 and widget No. 60, but not necessarily between No. 85 and No. 88.”

But exactly “how” does the brain count? Researchers discovered that as the brain progresses through a task involving a series of motions, various small groups of firing cells begin to collaborate — essentially passing off the task to a different group of neurons every few repetitions, similar to runners passing the baton in a relay race.

“So, the cells are working together and over time randomly align to get the job done: one cell will take a few tasks and then another takes a few tasks,” Hyman said. “The cells are tracking motions and, thus, chunks of activities and time over the course of the task.”

And the study’s findings about our brains’ perception of time applies to activities-based actions other than physical motions too.

“This is the part of the brain we use for tracking something like a conversation through dinner,” Hyman said. “Think of the flow of conversation and you can recall things earlier and later in the dinner. But to pick apart one sentence from the next in your memory, it’s impossible. But you know you talked about one topic at the start, another topic during dessert, and another at the end.”

By observing the rodents who worked quickly, scientists also concluded that keeping up a good pace helps influence time perception: “The more we do, the faster time moves. They say that time flies when you’re having fun. As opposed to having fun, maybe it should be ‘time flies when you’re doing a lot’.”

Takeaways

While there’s already a wealth of information on brain processes over very short time scales of less than a second, Hyman said that the UNLV study is groundbreaking in its examination of brain patterns and perception of time over a span of just a few minutes to hours — “which is how we live much of our life: one hour at a time. ”

“This is among the first studies looking at behavioral time scales in this particular part of the brain called the ACC, which we know is so important for our behavior and our emotions,” Hyman said.

The ACC is implicated in most psychiatric and neurodegenerative disorders, and is a concentration area for mood disorders, PTSD, addiction, and anxiety. ACC function is also central to various dementias including Alzheimer’s disease, which is characterized by distortions in time. The ACC has long been linked to helping humans with sequencing events or tasks such as following recipes, and the research team speculates that their findings about time perception might fall within this realm.

While the findings are a breakthrough, more research is needed. Still, Hyman said, the preliminary findings posit some potentially helpful tidbits about time perception and its likely connection to memory processes for everyday citizens’ daily lives. For example, researchers speculate that it could lend insights for navigating things like school assignments or even breakups.

“If we want to remember something, we may want to slow down by studying in short bouts and take time before engaging in the next activity. Give yourself quiet times to not move,” Hyman said. “Conversely, if you want to move on from something quickly, get involved in an activity right away.”

Hyman said there’s also a huge relationship between the ACC, emotion, and cognition. Thinking of the brain as a physical entity that one can take ownership over might help us control our subjective experiences.

“When things move faster, we tend to think it’s more fun — or sometimes overwhelming. But we don’t need to think of it as being a purely psychological experience, as fun or overwhelming; rather, if you view it as a physical process, it can be helpful,” he said. “If it’s overwhelming, slow down or if you’re bored, add activities. People already do this, but it’s empowering to know it’s a way to work your own mental health, since our brains are working like this already.”



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