Best Sleep Tech 2026

[1]Messaoudène L, Arc-Chagnaud C, Renier F, Bretonneau Q, Bosquet L, Delpech N, DDay Consortium, Enea C. Maximizing sleep quality and well-being in female athletes: the role of the menstrual cycle and whole-body cryostimulation. — Cryobiology, 2025PubMed →

Core body temperature cooling during sleep onset improves sleep architecture

[2]Tu D, Sun J, Wang P, Xu Q, Ma C. Overall Sleep Quality Is Associated With Advanced Stages in Patients With Cardiovascular-Kidney-Metabolic Syndrome. — J Am Heart Assoc, 2025PubMed →

Inadequate sleep duration associated with cardiometabolic risk

[3]Schyvens AM, Peters B, Van Oost NC, Aerts JM, Masci F, Neven A, Dirix H, Wets G, Ross V, Verbraecken J. A performance validation of six commercial wrist-worn wearable sleep-tracking devices for sleep stage scoring compared to polysomnography. — Sleep Adv, 2025PubMed →

Consumer wearables show moderate-to-good agreement with clinical PSG for sleep staging

[4]Lee YJ, Lee JY, Cho JH, Kang YJ, Choi JH. Performance of consumer wrist-worn sleep tracking devices compared to polysomnography: a meta-analysis. — J Clin Sleep Med, 2025PubMed →

Consumer wearables show moderate-to-good agreement with clinical PSG for sleep staging

[5]Kräuchi K, Glos M, Fietze I, Penzel T, Mason M, Herberger S. Slow nocturnal body cooling during sleep increases interbeat intervals and is tightly coupled to high-frequency heart rate variability in healthy men. — Physiol Rep, 2025PubMed →

Cooler sleep surface improves slow-wave sleep depth and subjective quality

[6]Gombert-Labedens M, Vesterdorf K, Fuller A, Maloney SK, Baker FC. Effects of menopause on temperature regulation. — Temperature (Austin), 2025PubMed →

Core body temperature cooling during sleep onset improves sleep architecture

[7]Pasquier F, Chauvineau M, Castellini G, Gianola S, Bargeri S, Vitale J, Nedelec M. Does body cooling facilitated by bedding compared to control condition improve sleep among adults (18-64 years old)? A systematic review and meta-analysis. — J Therm Biol, 2025PubMed →

Cooler sleep surface improves slow-wave sleep depth and subjective quality

[8]Weaver MD, Qadri S, Ejikeme C, Quan SF, Czeisler CA, Robbins R. A non-randomized pre-post pilot study of cooling bed sheets in hot sleeping people. — Front Sleep, 2025PubMed →

Cooler sleep surface improves slow-wave sleep depth and subjective quality

[9]Robbins R, Weaver MD, Sullivan JP, Quan SF, Gilmore K, Shaw S, Benz A, Qadri S, Barger LK, Czeisler CA, Duffy JF. Accuracy of Three Commercial Wearable Devices for Sleep Tracking in Healthy Adults. — Sensors (Basel), 2024PubMed →

Consumer wearables show moderate-to-good agreement with clinical PSG for sleep staging

[10]Fang Y, Yang MJ, Ning D, Huang H, He Y, Huang Y, Nagel E, Pan D, Wang W, Qin T, Wang M. Associations between sleep duration trajectories and risk of cardio-metabolic disease among middle-aged and older Chinese adults. — J Affect Disord, 2024PubMed →

Inadequate sleep duration associated with cardiometabolic risk

[11]Tondo P, Dell'Olio F, Lacedonia D, Sabato R, Leccisotti R, Foschino Barbaro MP, Scioscia G. A consumer wearable device for tracking sleep respiratory events. — Sleep Breath, 2023PubMed →

Consumer wearables show moderate-to-good agreement with clinical PSG for sleep staging

[12]Iqbal AZ, Wu SK, Zailani H, Chiu WC, Liu WC, Su KP, Lee SD. Effects of Omega-3 Polyunsaturated Fatty Acids Intake on Vasomotor Symptoms, Sleep Quality and Depression in Postmenopausal Women: A Systematic Review. — Nutrients, 2023PubMed →

Core body temperature cooling during sleep onset improves sleep architecture

[13]Bigalke JA, Cleveland EL, Barkstrom E, Gonzalez JE, Carter JR. Core body temperature changes before sleep are associated with nocturnal heart rate variability. — J Appl Physiol (1985), 2023PubMed →

Core body temperature cooling during sleep onset improves sleep architecture

[14]Yuan S, Larsson SC. Epidemiology of sarcopenia: Prevalence, risk factors, and consequences. — Metabolism, 2023PubMed →

Inadequate sleep duration associated with cardiometabolic risk

[15]Han H, Wang Y, Li T, Feng C, Kaliszewski C, Su Y, Wu Y, Zhou J, Wang L, Zong G. Sleep Duration and Risks of Incident Cardiovascular Disease and Mortality Among People With Type 2 Diabetes. — Diabetes Care, 2023PubMed →

Inadequate sleep duration associated with cardiometabolic risk

[16]Driller MW, Dunican IC, Omond SET, Boukhris O, Stevenson S, Lambing K, Bender AM. Pyjamas, Polysomnography and Professional Athletes: The Role of Sleep Tracking Technology in Sport. — Sports (Basel), 2023PubMed →

Consumer wearables show moderate-to-good agreement with clinical PSG for sleep staging

[17]Duralde ER, Sobel TH, Manson JE. Management of perimenopausal and menopausal symptoms. — BMJ, 2023PubMed →

Core body temperature cooling during sleep onset improves sleep architecture

[18]Li J, Cao D, Huang Y, Chen Z, Wang R, Dong Q, Wei Q, Liu L. Sleep duration and health outcomes: an umbrella review. — Sleep Breath, 2022PubMed →

Inadequate sleep duration associated with cardiometabolic risk

[19]Nguyen QNT, Le T, Huynh QBT, Setty A, Vo TV, Le TQ. Validation Framework for Sleep Stage Scoring in Wearable Sleep Trackers and Monitors with Polysomnography Ground Truth. — Clocks Sleep, 2021PubMed →

Consumer wearables show moderate-to-good agreement with clinical PSG for sleep staging

[20]Marjot T, Ray DW, Williams FR, Tomlinson JW, Armstrong MJ. Sleep and liver disease: a bidirectional relationship. — Lancet Gastroenterol Hepatol, 2021PubMed →

Core body temperature cooling during sleep onset improves sleep architecture

[21]Chinoy ED, Cuellar JA, Huwa KE, Jameson JT, Watson CH, Bessman SC, Hirsch DA, Cooper AD, Drummond SPA, Markwald RR. Performance of seven consumer sleep-tracking devices compared with polysomnography. — Sleep, 2021PubMed →

Consumer wearables show moderate-to-good agreement with clinical PSG for sleep staging

[22]Chee NIYN, Ghorbani S, Golkashani HA, Leong RLF, Ong JL, Chee MWL. Multi-Night Validation of a Sleep Tracking Ring in Adolescents Compared with a Research Actigraph and Polysomnography. — Nat Sci Sleep, 2021PubMed →

Consumer wearables show moderate-to-good agreement with clinical PSG for sleep staging

[23]Chasens ER, Imes CC, Kariuki JK, Luyster FS, Morris JL, DiNardo MM, Godzik CM, Jeon B, Yang K. Sleep and Metabolic Syndrome. — Nurs Clin North Am, 2021PubMed →

Inadequate sleep duration associated with cardiometabolic risk

[24]Asgari Mehrabadi M, Azimi I, Sarhaddi F, Axelin A, Niela-Vilén H, Myllyntausta S, Stenholm S, Dutt N, Liljeberg P, Rahmani AM. Sleep Tracking of a Commercially Available Smart Ring and Smartwatch Against Medical-Grade Actigraphy in Everyday Settings: Instrument Validation Study. — JMIR Mhealth Uhealth, 2020PubMed →

Consumer wearables show moderate-to-good agreement with clinical PSG for sleep staging

[25]Mitchell OJL, Motschwiller CW, Horowitz JM, Friedman OA, Nichol G, Evans LE, Mukherjee V. Rapid Response and Cardiac Arrest Teams: A Descriptive Analysis of 103 American Hospitals. — Crit Care Explor, 2019PubMed →

Cooler sleep surface improves slow-wave sleep depth and subjective quality

[26]Haghayegh S, Khoshnevis S, Smolensky MH, Diller KR, Castriotta RJ. Before-bedtime passive body heating by warm shower or bath to improve sleep: A systematic review and meta-analysis. — Sleep Med Rev, 2019PubMed →

Core body temperature cooling during sleep onset improves sleep architecture

[27]Troynikov O, Watson CG, Nawaz N. Sleep environments and sleep physiology: A review. — J Therm Biol, 2018PubMed →

Core body temperature cooling during sleep onset improves sleep architecture

[28]Tobaldini E, Costantino G, Solbiati M, Cogliati C, Kara T, Nobili L, Montano N. Sleep, sleep deprivation, autonomic nervous system and cardiovascular diseases. — Neurosci Biobehav Rev, 2017PubMed →

Inadequate sleep duration associated with cardiometabolic risk

[29]Grandner MA. Sleep, Health, and Society. — Sleep Med Clin, 2017PubMed →

Inadequate sleep duration associated with cardiometabolic risk

[30]Dashti HS, Scheer FA, Jacques PF, Lamon-Fava S, Ordovás JM. Short sleep duration and dietary intake: epidemiologic evidence, mechanisms, and health implications. — Adv Nutr, 2015PubMed →

Inadequate sleep duration associated with cardiometabolic risk

[31]Gögenur I. Postoperative circadian disturbances. — Dan Med Bull, 2010PubMed →

Core body temperature cooling during sleep onset improves sleep architecture

[32]Van Cauter E, Spiegel K, Tasali E, Leproult R. Metabolic consequences of sleep and sleep loss. — Sleep Med, 2008PubMed →

Inadequate sleep duration associated with cardiometabolic risk

[33]Liao WC. Effects of passive body heating on body temperature and sleep regulation in the elderly: a systematic review. — Int J Nurs Stud, 2002PubMed →

Core body temperature cooling during sleep onset improves sleep architecture