Grumpy or Gracious

Stayed up last night binging Star Wars: The Last Rehash? This is Sandra Tsing Loh with the Loh Down on Science saying… It’s time to hit the hay! Sleep helps us fight off diseases and think clearly. But why does sleep deprivation make us so… GRUMPY? Eti Ben Simon and

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Dreaming Spiders

Spiders – they bite! They jump! They…DREAM? This is Sandra Tsing Loh with the Loh Down on Science. It’s bedtime and you stare up at your ceiling. A SPIDER! Do you flee? Do you leave it be? Maybe it’s asleep? Say… do spiders… dream? Daniela Robler and team from Washington

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Watts Up Doc?

Can’t fall asleep without the TV on? This is Sandra Tsing Loh with the Loh Down on Science. Your eyelids are drooping as you TRY to binge just one more Stranger Things episode. Unfortunately, studies show that sleeping with lights on is linked to diabetes and obesity….. But HOW? Ivy

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The Twilight Zone

For your consideration: a baffling conundrum – a question without an answer. Next stop . . .The Twilight Zone! This is Sandra Tsing Loh with the Loh Down on Science. I’ve been puzzling over this Sudoku for HOURS! Maybe it’s time for . . . a trip to the inner

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Worth a Shot

Is your sleep quality ON THE ROCKS? This is Sandra Tsing Loh with the Loh Down on Science. WINE-ing about not getting a good night’s sleep? Maybe that after-work cocktail is to blame!  Dandan Zheng and researchers at Penn State University wondered whether alcohol intake affects sleep. To find out, they

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Sound Asleep?

Shh, don’t wake the baby! She’s busy learning… This is Sandra Tsing Loh with the Loh Down on Science. “Mama, dada, MORE!!”… Babies pick up words so quickly! When kids memorize words, specific regions of the brain go into hyper-drive. But where does this speed-learning take place in BABIES’ brains??

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Blue Light Battle

Time for bed … but first, just ONE MORE TikTok video! This is Sandra Tsing Loh with the Loh Down on Science.  Blue light naturally comes from the sun. But modern humans have developed EXTRA exposure! Think artificial light sources like LED lights, tablets and cell phone screens! How do

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Sleepy Children, Happy Children

Image of young girl napping on textbooks.

Hey kid, falling asleep at your desk! WAKE UP!  This is Sandra Tsing Loh with the Loh Down on Science. Children have IMMENSE energy one moment. But then, . . . they’re out like a light! But is there something GOOD about that nap? Jianghong Liu from University of Pennsylvania and an international team

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Sleep Invaders

Woman falling in purple haze.

Are your dreams out of this world? This is Sandra Tsing Loh with the Loh Down on Science. Fighting goblins in a big castle? With salad tongs? Was Elton John there, too?! Ahh, what a dream! I’d tell you all about it — if only I could remember!  But what

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Workout or Pass Out

Photo of Asian female studying and biting pencil in frustration.

Finals season – time to pull an all-nighter!  This is Sandra Tsing Loh with the Loh Down on Science, saying…can I just get forty winks first?  We know that both sleep and exercise are good for memory. But in which order? Is there a “magic formula”  to cram for that

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