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Maximise sleep performance using a eye mask

On the benefits of wearing a eye mask in bed

Jan. 24, 2020 -

Over the past few weeks I have been experimenting with wearing a sleep mask in bed, blocking all light. Our bodies produce the sleep hormone, melatonin, in darkness. Living in an environment awash in artificial light, is therefore exactly the sort of thing that disrupts one's circadian rhythm. Can a simple mask help?

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Heart rate graph shows a near flat line, very close to my minimum rate (collected with Biostrap)
Heart rate graph shows a near flat line, very close to my minimum rate (collected with Biostrap)
Average heart rate variability (HRV) during the same night shows a steady increase (and recovery)
Average heart rate variability (HRV) during the same night shows a steady increase (and recovery)
The Mindfold sleep mask: total darkness with your eyes open
The Mindfold sleep mask: total darkness with your eyes open
The sleep mask has open spaces covering your eyes, allowing your eyes to open freely (while maintaining darkness): this is a mayor difference with many other masks that sit right on your eye lids
The sleep mask has open spaces covering your eyes, allowing your eyes to open freely (while maintaining darkness): this is a mayor difference with many other masks that sit right on your eye lids
Effects of a nap during the day: around 2pm you'll notice a steady decline in heart rate
Effects of a nap during the day: around 2pm you'll notice a steady decline in heart rate
Wearing a sleep mask, you can see the mask takes the shape of my head
Wearing a sleep mask, you can see the mask takes the shape of my head

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