Observed genes

Polygenic score

Influential genes: PAX8

A study has associated the PAX8 genetic variant with longer sleep duration, greater sleep efficiency, and greater daytime inactivity duration.

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About Sleep Depth

Sleep is an essential part of our lives. It helps us recover from our daily activities and stay mentally sharp. As we sleep, our bodies cycle through phases of lighter and deeper sleep. Each sleep stage has a unique function and role in maintaining our brain's overall cognitive performance.

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What causes a lack of deep sleep?

Sleep disorders, substance abuse (esp. stimulants like caffein, nicotine, ...), stress, and environmental factors may all contribute to a decrease in deep sleep.

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More about sleep in our articles

How to Increase Deep Sleep? 18 Tips for Better Sleep

How to Sleep Better? Quality Matters

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Recommendations

• Make sure that your bedroom is dark, cool, and quiet so your mind can relax before going to sleep.
• Avoid caffeine, alcohol, or nicotine for six hours before bedtime.
• Also, avoid blue light from screens for about an hour before bedtime (TV, smartphones).

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