The Perfect Amount of Sleep, According to Science


TIME

This post originally appeared on Refinery29.com.

Wondering how much your sleep-in Saturdays or that one all-nighter will set you back? New research might help us gauge how to adjust our sleep schedules by shedding light on how many ZZZs we really need.

The study, published in the journal Sleep, used the data of 1,885 men and 1,875 women collected from the Finnish “Health 2000” survey. The sleep data included information about participants’ nightly quantity and quality of sleep, whether they had any sleep disorders, and how tired they were during the day. Additionally, the researchers used the Social Insurance Institution to gather information about how often those participants took sick days from work.

(MORE: 7 Sleep Gadgets That Actually Work)

Results showed that those who took the fewest sick days slept, on average, 7.6 hours (for women) and 7.8 hours (for men) per night. In…

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There’s No App for Good Teaching


ideas.ted.com

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8 ways to think about tech in ways that actually improve the classroom.

Bringing technology into the classroom often winds up an awkward mash-up between the laws of Murphy and Moore: What can go wrong, will — only faster.

It’s a multi-headed challenge: Teachers need to connect with classrooms filled with distinct individuals. We all want learning to be intrinsically motivated and mindful, yet we want kids to test well and respond to bribes (er, extrinsic rewards). Meanwhile, there’s a multi-billion-dollar industry, in the US alone, hoping to sell apps and tech tools to school boards.

There’s no app for that.

But there are touchstones for bringing technology into the classroom. With educational goals as the starting point, not an afterthought, teachers can help students use — and then transcend — technology as they learn.

Children as early as Pre-Kindergarten at Love T. Nolan Elementary School in College Park, Georgia have access to the iPad to reinforce techniques taught in the classroom. https://www.flickr.com/photos/116952757@N08/14161914543 Starting in pre-kindergarten, children at Love T. Nolan Elementary School in College Park, Georgia, have access to an iPad to reinforce techniques taught in the classroom. Photo by Amanda…

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