--- title: "Meaning & Key Takeaway of: Before the advent of artificial light, we…" description: "\"Before the advent of artificial light, we had 13, 14 hours in bed every night... and so what we experience now is about a 40% contraction of how we use..." image: "https://sms4smile.com/quotes/i/2cf/jessa-gamble-45545_about_before-the-advent-of-artificial-light-we_418160.jpg" --- # Before the advent of artificial light, we had 13, 14 hours… ![“Before the advent of artificial light, we had 13, 14 hours in bed every night... and so what we experience now is about a 40% contraction of how we used to sleep, and I for one am glad of that - I don't want to spend 13 hours in bed.” quote by Jessa Gamble](https://sms4smile.com/quotes/i/2cf/jessa-gamble-45545_about_before-the-advent-of-artificial-light-we_418160.jpg) [Download](https://sms4smile.com/quotes/i/2cf/jessa-gamble-45545_about_before-the-advent-of-artificial-light-we_418160.jpg) [Open image](https://sms4smile.com/quotes/i/2cf/jessa-gamble-45545_about_before-the-advent-of-artificial-light-we_418160.jpg) > “Before the advent of artificial light, we had 13, 14 hours in bed every night... and so what we experience now is about a 40% contraction of how we used to sleep, and I for one am glad of that - I don't want to spend 13 hours in bed.” [Jessa Gamble](https://sms4smile.com/quotes/author/jessa-gamble/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. She notes that artificial lighting has reduced average sleep time by about 40%, and she welcomes sleeping less than 13 hours. **In simple terms:** Modern lighting cuts sleep; she prefers shorter nights. Key Takeaway Embrace efficient sleep patterns while maintaining health. Themes technology sleep modernity Mood reflective analytical Type informative thought‑provoking When to use this quote - work schedules - travel - night shifts - health monitoring Key Concepts circadian rhythm light exposure Questions to Reflect On - How does light affect your sleep quality? - Can you balance productivity with adequate rest? 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