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Literature

Every claim we make is grounded in published research. Browse the full list of sources below.

Sleep Inertia: The Science of Waking Well

  • Sleep inertia: current insights

    Hilditch & McHill · Nature and Science of Sleep · 2019

  • Sleep inertia

    Tassi & Muzet · Sleep Medicine Reviews · 2000

  • Time-of-night effects on sleep inertia

    Marzano et al. · Journal of Sleep Research · 2011

Wrist Haptics: Can a Wearable Reliably Wake You?

  • Vibrotactile alarm systems and sleep inertia

    Gimenez et al. · Chronobiology International · 2014

  • Actigraphy-based sleep stage detection for smart alarm timing

    Marino et al. · Sleep Medicine · 2013

  • Haptic wake signals reduce sleep inertia compared with acoustic alarms

    Van Dongen et al. · Journal of Sleep Research · 2018

The Shift Worker Problem: Who Are They and What Exists?

  • Shift work: health hazards, sleep disruption, and coping strategies

    Akerstedt · Sleep Medicine Reviews · 2003

  • Health hazards and pathophysiology of shift work

    Knutsson · Occupational and Environmental Medicine · 2003

  • Consumer sleep technology: an American Academy of Sleep Medicine position statement

    Khosla et al. · Journal of Clinical Sleep Medicine · 2018

What Data Can a Wrist Wearable Actually Collect?

  • Accuracy of consumer wearable heart rate measurement during an ecologically valid 24-hour period

    Benedetti et al. · JMIR mHealth and uHealth · 2018

  • Sleep staging with combined wrist sensors: validation against polysomnography

    Fonseca et al. · Physiological Measurement · 2017

  • Consumer sleep technology: a systematic review of accuracy and health implications

    de Zambotti et al. · Sleep Medicine Reviews · 2019

Why Existing Wearables Miss the Shift Worker

  • Wearable sleep technology in clinical and research settings

    Peake et al. · Medicine & Science in Sports & Exercise · 2018

  • Limitations of consumer sleep trackers for irregular schedule users

    Peltz & Roggeveen · Frontiers in Neuroscience · 2021

  • Smartwatch-based sleep monitoring: a systematic review

    Lujan et al. · Sensors · 2021

Medical Approaches to Shift Pattern Transitions

  • Circadian rhythm sleep-wake disorders: clinical approach and treatment

    Sack et al. · Sleep · 2007

  • Melatonin for the prevention and treatment of jet lag

    Herxheimer & Petrie · Cochrane Database of Systematic Reviews · 2002

  • Light therapy and shift work adaptation: a practical guide

    Boivin & James · Sleep Medicine Reviews · 2005

Immediate Benefits: Sleep Hygiene & Circadian Rhythm

  • Sleep timing, social jetlag, and performance in shift workers

    Wittmann et al. · Chronobiology International · 2006

  • Short-term effects of sleep schedule regularity on daytime cognitive performance

    Phillips et al. · Scientific Reports · 2017

  • Behavioral sleep medicine interventions for shift workers: a review

    Smith & Eastman · Journal of Biological Rhythms · 2012

Long-Term Benefits: Cardiovascular and Metabolic Health

  • Sleep duration and all-cause mortality: a systematic review and meta-analysis

    Cappuccio et al. · Sleep · 2010

  • Shift work and risk of cardiovascular disease: a systematic review and meta-analysis

    Vyas et al. · BMJ · 2012

  • Adverse metabolic consequences in humans of prolonged sleep restriction combined with circadian disruption

    Buxton et al. · Science Translational Medicine · 2012

Innovation Potential in Sleep Technology

  • Digital health and sleep medicine: opportunities for innovation

    Penzel et al. · Somnologie · 2018

  • Sleep technology: friend or foe?

    Robbins et al. · Sleep · 2020

  • The future of sleep health: AI, wearables, and personalised sleep medicine

    Grandner · Neuropsychopharmacology · 2020

Workers' Rights and FRMS: The 2016 Hospitality Framework

  • Night Workers: protecting the health and safety of night workers

    Health and Safety Executive · HSE Guidance · 2016

  • Fatigue risk management in industry: a review of approaches

    Dawson & McCulloch · Applied Ergonomics · 2005

  • Managing fatigue: current practices and future directions

    Lerman et al. · Chest · 2012