Novelle-Approved
Every product in the Novelle collection has been evaluated for its scientific merit, ingredient purity, and genuine impact on sleep quality. We only recommend what we would use ourselves, and we cite our sources.
Affiliate Disclosure: We may earn a commission on purchases made through our links, at no extra cost to you. This never influences our recommendations, we only feature products that meet the Novelle standard.

The only residential air purifier used in Johns Hopkins clinical trials
The Austin Air Bedroom Machine is in a category of its own. It is the specific model used in three randomized controlled clinical trials at Johns Hopkins University Medical School, studying its effects on COPD, respiratory health in pregnant women and infants, and indoor NO₂ reduction. The all-steel housing eliminates the off-gassing problem common to plastic-housed purifiers. Endorsed by the National Sleep Foundation.
Novelle Note: The only residential air purifier with peer-reviewed clinical trial data. Endorsed by the National Sleep Foundation specifically for bedroom use.
AAFA-certified and SleepScore Labs-validated for bedroom air quality
The Alen BreatheSmart 45i earned the Asthma & Allergy Friendly® Certification from the Asthma and Allergy Foundation of America (AAFA) in 2025, requiring verified removal of at least 90% of tested allergens and zero ozone emission. It is also certified by SleepScore Labs, independently validated to improve sleep quality through air purification. Near-silent operation at 25 dB makes it ideal for bedroom use.
Novelle Note: Pair with the Austin Air Bedroom Machine in larger bedrooms, or use the Alen as a standalone solution in smaller spaces.
More finished-product certifications than any other mattress brand in America
Avocado holds six simultaneous finished-product certifications: GOTS (organic textiles), GOLS (organic latex), GREENGUARD Gold (low chemical emissions), OEKO-TEX Class I (the baby-product standard, the strictest available), MADE SAFE, and UL Formaldehyde-Free. No foam, no chemical flame retardants, no synthetic adhesives. Independent reviewers consistently report zero off-gassing smell. Made in California.
Novelle Note: The OEKO-TEX Class I certification is the strictest textile safety standard available, designed for products in contact with infant skin. Your face is on this surface for 8 hours a night.
Perfect off-gassing score, zero days to dissipate, per independent NapLab testing
Independently tested by NapLab and awarded a perfect 10/10 off-gassing score, 'None. 0 days to dissipate.' The Saatva Latex Hybrid carries the German eco-INSTITUT certification, which tests for over 1,000 harmful substances including pesticides, heavy metals, and VOCs. GOLS-certified organic latex, GOTS-certified organic cotton cover. No polyurethane foam.
Novelle Note: NapLab's independent testing rated this mattress 9.42/10 overall, the highest score among all organic mattresses tested.
GOTS-certified organic cotton protection, no vinyl, no PFAs, no off-gassing
A waterproof mattress protector made from certified organic cotton with no vinyl, PVC, polyurethane, or chemical treatments. Protects against dust mites and allergens without introducing synthetic materials that off-gas during sleep. The foundation of a truly clean sleep environment regardless of which mattress you own.
Novelle Note: An essential addition even if you already own a certified organic mattress, adds a washable barrier against dust mites and allergens.
Block the specific wavelengths that suppress melatonin production
Amber-lens glasses designed to block the blue and green wavelengths of light that suppress melatonin production. Research published in the Journal of Clinical Endocrinology & Metabolism established that these specific wavelengths delay the circadian clock when encountered in the evening. Wearing these for 1 to 2 hours before bed supports the body's natural melatonin rise.
Novelle Note: Pair with warm amber lighting in the evening for maximum circadian benefit.
Emit only the warm amber wavelengths that do not suppress melatonin
A specialized light bulb that emits only warm amber wavelengths, the portion of the spectrum that does not interfere with melatonin production. Replace your bedside lamp bulb to create a biologically appropriate light environment for the final hours before sleep. A simple, low-cost intervention with meaningful circadian benefits.
Real mechanical white noise, no EMFs, no blue light, no digital artifacts
Unlike digital sound machines, SNOOZ uses a real fan to generate true white noise, consistent acoustic masking that blocks sleep-disrupting sounds. No blue light emission, no WiFi, no EMF concerns. Creates a stable acoustic environment that promotes more continuous sleep. The mechanical sound is more natural and less fatiguing than digitally looped audio.
Novelle Note: Set at a consistent volume each night to build a reliable sleep association.
Guided sleep hypnosis, binaural beats, and subconscious reprogramming
A comprehensive sleep wellness app featuring guided sleep hypnotherapy, CBT-I techniques, binaural beats, and sleep stories. Sleep hypnosis has shown promising results in emerging research, one study published in Sleep found that hypnotic suggestion increased slow-wave sleep in susceptible individuals. The hypnagogic state (the transition into sleep) is when the subconscious mind is most receptive to suggestion.
Novelle Note: Start with the 'Sleep Hypnosis' category. Research suggests susceptibility to hypnotic suggestion varies, give it at least 2 weeks to assess your response.
The world's largest library of sleep meditations and yoga nidra sessions
Over 150,000 guided meditations, sleep music tracks, and talks from leading mindfulness teachers. Particularly valuable for its yoga nidra (yogic sleep) content, a practice that EEG studies have shown produces delta brain waves (deep sleep waves) while the practitioner remains conscious. The free version alone contains exceptional sleep-specific content.
The most bioavailable magnesium form for nervous system calming and deep sleep
Magnesium glycinate is among the most bioavailable and gentle forms of magnesium, essential for GABA activation (the brain's primary calming neurotransmitter), muscle relaxation, and melatonin regulation. Unlike magnesium oxide (the inexpensive form in most supplements), glycinate is well-tolerated and does not cause digestive upset. Magnesium deficiency is common in Western diets and is associated with disrupted sleep.
Novelle Note: Take 30 to 60 minutes before bed. Consult your healthcare provider before starting any supplement.
The amino acid that promotes calm alertness and smooth sleep transitions
L-Theanine, found naturally in green tea, promotes alpha brain wave activity, the relaxed, alert state associated with meditation and the pre-sleep wind-down. It reduces anxiety and mental chatter without sedation, making the transition into sleep smoother and more natural. Pairs well with magnesium glycinate as part of a pre-sleep nutrition protocol.
Novelle Note: Consult your healthcare provider before starting any supplement.
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