How to Fall Asleep Faster and Stay Asleep, According to Sleep Experts

If you care about longevity, sleep matters. Poor sleep doesn’t just leave you tired, it’s also linked to faster aging and a higher risk of chronic disease. A 2024 study of more than 60,000 adults found that people with irregular sleep schedules had a significantly higher risk of death, even if they were getting enough total sleep. Those who kept consistent bed and wake times saw up to a 20% to 48% lower risk, highlighting that sleep regularity—not just duration—plays a major role in long-term health.

The fix isn’t complicated. Longevity often comes down to optimizing what most people overlook: your nightly environment, which directly shapes sleep quality, deep recovery, and long-term health.

Why Light Exposure at Night Can Make or Break Your Sleep

One of the biggest mistakes people make at night is keeping their environment too bright. Lowering light in the final hour before bed allows melatonin, the hormone that signals sleep, to rise naturally. Research shows that melatonin levels increase as light fades and peak in darkness, helping trigger the body’s transition into sleep.

Bright, blue-rich light (think phones and overhead LEDs) disrupts that process. Studies show that even short-wavelength light at night can suppress melatonin and delay your internal clock. Darkness, on the other hand, helps stabilize your circadian rhythm and supports deeper, more continuous sleep by allowing that natural melatonin rise to occur without interruption.

Some newer tools aim to go a step further by actively signaling the body that it’s time to sleep. Devices like Helight Sleep, a red light therapy system designed for nighttime use, expose you to a specific wavelength of light that supports melatonin production. As Greg Bonnier, VP at Helight Sleep, explains, “By getting exposed to red light at this specific intensity, we’re essentially telling the body that it’s now the correct time to secrete melatonin,” helping compress the time it takes to fall asleep—especially after late-night screen exposure or travel.

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The Sleep Variable Most People Ignore: Temperature

While most people obsess over sleep duration, research shows temperature may be just as critical, if not more important, for sleep quality. A 2024 review found that even slightly warmer bedroom temperatures can disrupt sleep and make it harder to stay asleep.

Another study states that higher nighttime temperatures are consistently associated with poorer sleep and more wakefulness, even within normal ranges.

“The body needs to drop its core temperature to initiate and sustain deep sleep,” says Eight Sleep co-founder Alexandra Zatarain. Even a slightly warm room, or a mattress that traps heat, can prevent you from reaching restorative sleep stages.

That’s why dynamic sleep systems are gaining traction. Unlike static setups, they adjust throughout the night to match your sleep cycles—cooler at sleep onset, slightly warmer later to support REM.

It also helps to control your room environment. An all-in-one option like Dyson’s Purifier Humidify+Cool can improve air quality and maintain balanced humidity, creating a more comfortable space for deeper, uninterrupted sleep.

How Sleep Position, Breathing, and Airflow Affect Recovery

Your sleep position and breathing mechanics play a bigger role than most people realize. Research published in Sleep Medicine Reviews shows that airway collapse is more common when sleeping on your back, increasing resistance and the likelihood of snoring.

Even small adjustments can help. Studies have found that elevating the head and torso can significantly reduce airway collapse and improve breathing during sleep, helping keep airflow more stable overnight.

“A small lift reduces pressure on the airway and helps the body breathe more easily,” says David Wolfe, co-founder of luxury mattress brand Tiami.

For some people, airflow can be improved even further with targeted tools. Mouthpieces designed to optimize jaw positioning—like the AIRWAAV Recovery RX1—can help keep the airway more open during sleep, potentially reducing snoring and improving oxygen flow overnight.

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What to Do Tonight for Better Sleep

The fastest way to improve your sleep is to upgrade the signals your body receives before and during the night. Use the following strategies to wake up feeling refreshed.

• Start bycontrolling light. Dim your home in the final hour before bed and cut screen time. Blackout drapery, like Lutron’s Serena blackout shades, can also help keep your room dark for better sleep.
• Optimize your bed setup for temperature, airflow, and positioning. If you share a bed, your partner’s movement can wake you up—and if they sleep hot, it can make you too warm. Using two separate duvets, like Equinox Hotels duvet insert and cover bundle, can reduce both.
• Layer in breathable materials. An organic cotton quilt and sheet set from Rest & Reset help promote airflow so your body can cool down naturally—critical for deeper sleep.
• Upgrade your foundation. A mattress designed to move with your body, like Tiami's Luxury Hybrid Mattress paired with an adjustable base, allows you to slightly elevate your torso. Even a small incline can improve airflow and reduce snoring, with research showing it helps keep the airway more open during sleep, according to research.
• Quality pillows matter. A supportive option like the Zoned Dough pillow from Malouf is designed to cradle the neck while maintaining airflow, helping keep your airway open and your head in a neutral position—both key for uninterrupted breathing.
• Reduce blue light from your screen. Built-in iPhone features, including Apple’s Night Shift, warm the display to make late-night use easier on your sleep.
• Set the mood for sleep. A calming visual, like a nature-inspired framed print such as Awake by Max Haensel from Sonic Editions, can help signal your brain to relax and wind down. Studies show that viewing nature imagery can reduce stress and promote relaxation, even without being outdoors.
• Simplify what you wear to bed. Breathable basics, like Ten Thousand's cotton tee and shorts, can reduce overheating and limit the small adjustments that pull you out of deep sleep.

Tie it all together with one non-negotiable, wake up at the same time every day. This simple habit anchors your circadian rhythm and may be one of the most powerful longevity habits you can build.

Recovery isn’t just about how long you sleep, it’s about how well you set up your environment. Get your light, temperature, and breathing dialed in, and better sleep tends to follow.

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