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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Synch Into Sleep

Is lack of sleep throwing your body off beat? This is Sandra Tsing Loh with the Loh Down on Science. Think of your body as an orchestra. The maestro is a master clock that lives in your brain. It keeps time by syncing with light and dark. The instruments are

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