Wear your masks!
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https://www.washingtonpost.com/wellness/2024/01/18/eye-mask-sleep-cognition-health-benefits/
Research has shown that even relatively dim light when we snooze — about the equivalent of a hallway light — can have surprisingly profound physiological effects, raising heart rates, reducing the duration of important sleep stages and increasing insulin resistance. In older adults, any light exposure at night was associated with higher rates of obesity, diabetes and hypertension.
Thankfully, there is a simple solution: Wear an eye mask when you sleep.Wearing an eye mask to sleep is “very basic and simple,” said Viviana Greco, who conducted a study on the topic as a neuroscience and psychology graduate student at Cardiff University, and now works at Neuronatch, a neuroscience nonprofit. “At the same time, it can have huge benefits.”
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I keep telling Karla to stop taking naps on the sofa in the afternoon with all the light. It doesn’t help. Go downstairs to the media room and sleep on that sofa with no light. 30 minutes there is better than 2 hours in the light.