What's the perfect nap length?
Afternoon naps are a double-edged sword. Sometimes you can wake up feeling like you're on top of the world and, other times, you feel down in the dumps and depressed. This grogginess you feel is called "sleep inertia". Sleep inertia reduces our cognitive performance and makes us miserable and unproductive. I'm a doctor and my goal in this video is to share what I've learnt about napping and show you how to optimise your naps to avoid sleep inertia.
In particular, I wanted to share the results of series of studies (from Australia!) which shed light onto the perfect nap duration. The used EEG readings to measure brain waves and identify the perfect time to end your nap. Any shorter than the ideal duration and you won't get the benefits of a nap (e.g. improved alertness, mood, concentration and memory). Any longer than the ideal duration and you'll feel the effects of sleep inertia.
Sources:
https://doi.org/10.1111/j.1365-2869.2...
https://doi.org/10.1046/j.1365-2869.2...
https://doi.org/10.2147/nss.s188911
https://doi.org/10.1093/sleep/29.6.831
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Contents:
0:00 Intro
0:30 The sleep cycle
2:19 Sleep inertia
2:33 Optimum nap length
4:59 Coffee naps?
5:25 Frequently asked questions
7:22 Summary
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