In a world that glorifies hustle and treats exhaustion like a badge of honor, we are collectively running on empty—and it shows. Chronic fatigue, insomnia, burnout, and sleep medication dependency have become so common that they’re often dismissed as the cost of ambition. The irony? The remedy has been with us for thousands of years, woven into tradition and ritual by sages who understood that rest is not retreat—it’s restoration.
As a rabbi and a psychologist specializing in behavioral sleep medicine, I’ve spent years studying the science of sleep. But the more I’ve learned, the more I’ve come to appreciate how deeply aligned modern sleep science is with ancient Jewish wisdom. Long before neuroscience mapped REM cycles and cortisol curves, Judaism recognized sleep as a profound human need—both physical and spiritual.
Long before sleep science, there was Torah
The Talmud describes sleep as “1/60th of death,” a poetic phrase that carries deep insight. From the body’s point of view, sleep is a state of vulnerability and surrender. From the soul’s perspective, it is a nightly return to an embryonic state of balance and stillness. It’s a framing that resonates powerfully with what we now know about how the brain uses sleep to restore equilibrium, clear waste, consolidate memory, and regulate emotion.
This idea—that rest is more than recovery—feels surprisingly modern. But it’s been part of Jewish thought for centuries. Long before we had chronobiology or polysomnography, our sages understood the rhythms of night and day, the restorative necessity of rest, and even the difficulty of adjusting our biological clocks—insights that contemporary sleep science is only now fully unpacking.
Maimonides and the 8-hour rule
Maimonides, the 12th century philosopher, physician, and rabbinic giant, advised that a person should sleep 8 hours each night. This was not based on scientific testing but on careful observation and holistic reasoning. He understood that sleep wasn’t idleness. It was integral to physical vitality and spiritual clarity.
Today, sleep researchers offer the same advice: around 8 hours for most adults. When we treat sleep as optional, both our health and our humanity suffer. Maimonides didn’t need a clinical trial to know that truth.
The bedtime Shema: Spiritual sleep hygiene
One of the most beautiful expressions of Jewish insight into sleep is the bedtime Shema. It’s more than a prayer—it’s a nightly ritual that prepares mind and body for rest. The prayer includes the blessing HaMapil, which thanks God “who brings sleep to my eyes and slumber to my eyelids.” There’s also a traditional understanding that while we sleep, the soul ascends to heaven for spiritual accounting, leaving the body in need of protection.
Even for those who don’t take that literally, the message is clear: sleep is sacred. It’s a moment of vulnerability, of letting go, and of trust.
What modern sleep science now recommends—having a calming bedtime routine, avoiding screens, minimizing stimulation—Jewish tradition has practiced for generations. Ending the day with spiritual reflection, rather than emails or doom scrolling, creates an emotional buffer that eases the transition into sleep. It’s what sleep researchers today call “cognitive quieting”—the process of reducing mental noise before bed.
Ritual and rhythm: Cultural patterns that work
Recent studies back this up. Researchers in Israel have found that ultra-Orthodox Jewish adolescents tend to fall asleep earlier and maintain more regular sleep schedules than their secular peers. Their routines—grounded in early morning prayer, structured meals, and limited screen use—align perfectly with best practices in circadian rhythm regulation.
Sleep scientists refer to these cues as zeitgebers—external signals that help sync our internal clocks. Jewish life is full of them: Shabbat candles, daily prayers, blessings before and after meals. These rituals aren’t sleep interventions, they create the structure and consistency that promotes restfulness.
Sleep deprivation as harm—not a badge of honor
Jewish texts go further, recognizing sleep deprivation as a form of suffering. In legal discussions, it’s cited alongside hunger and exposure as a method of torture—something that breaks both body and spirit. Today, we know that lack of sleep impairs immunity, destabilizes mood, and degrades cognitive performance. Centuries ago, Jewish tradition affirmed dignity, not luxury.
Dreams and the soul’s journey
In Jewish mysticism, sleep is described as a time when the soul ascends to connect with higher realms. It’s a poetic vision, but one that resonates with current research: during sleep, the brain does more than rest—it processes emotion, integrates memory, and prepares us for renewal. It’s been said that the soul is like a cell phone. If you don’t charge it overnight, it won’t function the next day.
What you can do tonight
You don’t need to be religious to benefit from the core principles of Jewish sleep wisdom:
Create sacred transitions: Replace late-night scrolling with reflection, journaling, prayer, or quiet reading. Let your mind gently close the day.
Honor your natural rhythms: Go to sleep and wake up at consistent times. Don’t fight your biology—support it.
Redefine sleep as strength: In Jewish tradition, rest isn’t laziness, it’s renewal. Reframe sleep as a necessary act of care.
Sleep with intention: Whether it’s the Shema or simply a moment of gratitude, ending the day with intention shifts your internal narrative from chaos to calm.
Conclusion: Rest is a sacred act
In an age of burnout, anxiety, and overdrive, Jewish tradition offers a radical counter-message: sleep is not time stolen from productivity—it’s time invested in being fully human.
We don’t rest so we can work harder. We rest because we are sacred beings with limits. We rest because it is holy to do so.
The bedtime Shema, the rhythms of Jewish life, and the insights of Maimonides all lead to the same truth: good sleep isn’t just about health—it’s about wholeness.
And if we’re willing to learn from our ancestors, we may just rediscover the rest we’ve been missing.
Rabbi Bruce D. Forman is a Florida licensed psychologist in Weston and practices behavioral sleep medicine remotely. He is the author of the forthcoming book “For God’s Sake Go to Sleep: Insights About Sleep from Jewish Tradition & Modern Science.”
