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Sleep News – New Research in the World of Sleep

by David Keam
From claims about fiberglass in a mattress to GABA to circadian hacking, there’s a lot of people talking about sleep this week. Wait. What? Fiberglass in my mattress? Thankfully, if you sleep on a Restonic mattress, you won’t find it here – but we can’t say that for all brands. Whew, it’s a big, breaking story and we’re glad we’re NOT part of it!

In other news, GABA may be the new melatonin – but is it right for you? And as we inch closer to 2023, many of us are focused on making resolutions that improve our sleep – and our bank accounts. What if your resolutions allowed you to do both at the same time?

How much sleep do you really need? The answer’s as simple as it’s confusing – but it might be time to start paying attention, especially if you wake up tired every morning. Thanks to new research this week, better sleep health is within reach and there’s lots to dig into so enjoy!

Does my mattress have fiberglass in it?

If you’re sleeping on a Restonic mattress, you can be assured your mattress does NOT have fiberglass in it. This week on TikTok, a man revealed he’s been sleeping on a fiberglass-filled mattress that was making him sick. Fiberglass, a material made of glass and reinforced plastic and is often used as a flame retardant, says Eric Rodriguez, the CEO of Innerbody Research. “Fiberglass inside a mattress is okay if it stays in.” Read more on

Please note: you won’t find fiberglass in Restonic mattresses. Fiberglass – if it’s used – is usually contained in a sock under the quilt cover of the mattress. If you suspect your mattress may have fiberglass in it, do not open the zipper and contact the manufacturer as soon as possible. The manufacturer can be found on the law tag of your mattress.

How ‘circadian hacking’ can help with far more than sleep

Deep winter is traditionally associated with hibernation but for many of us, it’s a time for fractured sleep patterns. This is because our circadian rhythms are regulated by daily light exposure, which is in scant supply in the winter months. Circadian science is relatively new but we know our body clocks are calibrated by a central – and very individual – circadian clock. And if we can figure out the optimal time to eat, wake or exercise, for example, we can change behavior to improve our overall health – and especially our sleep health. Read more on

How much sleep do you need each night?

You’ve probably heard the popular recommendation to aim for 8 hours of sleep a night. That recommendation may not be right for everyone though. The guideline is based on observational studies with self-reported data, and people aren’t always accurate when determining how much – or how well – they slept the night before. So how much sleep should you get each night? 

Moving on from melatonin? Might be time to try the dietary supplement, GABA

When you’ve tried every sleep remedy in the book, from bedtime yoga to melatonin, and you can’t seem to knock out at night, gamma-aminobutyric acid might do the trick. It’s an amino acid naturally found in the body and promotes a calming effect. GABA is often taken as dietary supplement, but it has a track record showing it may be a good alternative sleep aid to melatonin. It only affects the early sleep stages, and leaves you feeling more awake in the morning as a result, whereas some people claim popular sleep supplements like melatonin make them groggy.

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