Pre-bed sleep habits matter more than most people realize. Neuroscientist and insomnia expert Dr. Lindsay Browning has spent her career studying what actually works for falling asleep quickly and staying asleep through the night, and her personal routine strips away the hype in favor of four simple, free behaviors anyone can adopt tonight.
Key Takeaways
- Morning daylight exposure regulates your circadian rhythm and improves evening sleep timing
- Walking and movement during the day reduce nighttime wakefulness and speed sleep onset
- Cutting screens before bed does not require complete elimination—replace doomscrolling with reading or stretching
- The routine requires no supplements, devices, or expensive interventions
- Dr. Browning’s approach focuses on realistic, sustainable changes rather than perfectionism
Pull Open the Curtains First Thing
Natural light exposure is the single most powerful lever for controlling when you fall asleep. Dr. Browning’s first habit is deceptively simple: pull open the curtains first thing in the morning and get that invigorating hit of natural light. Morning daylight tells your brain to release cortisol and start your circadian clock, which then triggers melatonin release about 14 hours later—exactly when you want to sleep. This is not a suggestion; it is a biological requirement.
The habit works because your circadian system is exquisitely sensitive to light timing. Getting outside in the morning, even on cloudy days, resets your sleep-wake cycle and makes falling asleep at night far easier. Many people struggle with 3 a.m. wake-ups or cannot fall asleep until midnight because their circadian rhythm has drifted. Morning light is the fastest way to anchor it back to a normal schedule.
Make Movement Part of Your Day
Dr. Browning’s second and third habits involve staying active: walking and exercise throughout the day. Movement during daylight hours—not close to bedtime—burns off nervous system activation and primes your body for sleep. A morning walk combines two of her habits at once: daylight exposure plus physical activity.
The key distinction is timing. Vigorous exercise within a few hours of bed can be counterproductive because it raises core body temperature and activates your sympathetic nervous system. Instead, Dr. Browning emphasizes consistent daily movement—walking, gentle yoga, or other moderate activity during the day—which reduces the mental and physical tension that keeps people awake at night. This approach differs from the myth that exercise close to bedtime is always helpful; lighter activity such as stretching is preferable in the evening.
Replace Doomscrolling With a Relaxing Activity
The fourth habit addresses screens, but with realism rather than absolutism. Dr. Browning acknowledges that telling people to eliminate screens entirely is unrealistic in 2025. Instead, she recommends finding a relaxing activity you actually look forward to and swapping it for doomscrolling in your nighttime routine. Reading, stretching, or journaling are common replacements that calm your nervous system without the stimulation of social media or news feeds.
The problem with screens before bed is not the light alone—it is the content. Checking email, scrolling through conflict, or binge-watching a thriller activates your fight-or-flight response, which is the opposite of what your body needs to sleep. A book or a stretching session signals safety to your nervous system instead. This habit works because it is sustainable; you are not white-knuckling your way through screen deprivation, you are substituting something genuinely pleasant.
Why These Four Habits Work Better Than Sleep Aids
Dr. Browning’s routine avoids the trap of treating insomnia as a problem to medicate. Supplements and medications have a place, but behavioral change addresses the root cause: a circadian rhythm that is out of sync, a nervous system that is overactive, or habits that sabotage sleep. These four habits are free, require no doctor’s prescription, and compound over time. After two weeks of consistent practice, most people report falling asleep faster and waking fewer times in the night.
The routine also works globally because it relies on universal human biology, not regional products or services. Whether you live in London, Dubai, or Tokyo, your circadian system responds to light timing, movement, and reduced screen stimulation in the same way. This is why experts across different cultures and sleep medicine traditions converge on the same core advice.
How long does it take to see results from these sleep habits?
Most people notice improvements within 3 to 7 days of consistent practice, though full circadian adjustment can take 2 to 3 weeks. The first changes are usually easier sleep onset; waking fewer times at night follows as your nervous system settles.
Can you do these habits if you work night shifts?
The principles remain the same, but timing shifts. If you sleep during the day, get bright light exposure right before your sleep window and avoid screens during your wake period. The goal is anchoring your circadian rhythm to your actual sleep schedule, not fighting it.
Do you need to do all four habits, or can you start with one?
Starting with morning daylight exposure and daytime movement is the fastest path to better sleep. Adding screen reduction afterward amplifies the effect. Even one habit practiced consistently will improve sleep quality, but the four work synergistically.
Dr. Browning’s routine proves that better sleep does not require expensive devices, supplements, or complex protocols. It requires consistency, realistic expectations, and a willingness to treat your circadian system with respect. Pull open the curtains, take a walk, move your body during the day, and swap your phone for a book at night. Do that for two weeks and judge the results yourself.
Where to Buy
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Edited by the All Things Geek team.
Source: Tom's Guide
