043: Screen time and sleep – it’s not all about blue light: Dr Michael Grandner

In recent years we’ve been bombarded with advice warning of the dangers of sleep-stealing blue light emitted from smartphones, tablets and computer screens.

But scientists and health experts are slowly coming to realise that the melatonin-blocking function of short-wavelength light is only part of the story regarding the reasons why technology keeps us awake at night.

In this episode we talk to renowned sleep expert Dr Michael Grandner about the complex and nuanced ways that technology can contribute to a lack of sleep – discussing not just the role of blue light, but also the addictive nature of social media algorithms, how different types of digital media affect sleep, and offering some practical tips to help you manage your smartphone addiction.

This episode’s guest:

Dr Michael Grandner

Dr. Michael Grandner is the Director of the Sleep and Health Research Program at the University of Arizona, Director of the Behavioral Sleep Medicine Clinic at the Banner-University Medical Center, and an Associate Professor in the Department of Psychiatry at the UA College of Medicine, with joint appointments in the Departments of Medicine, Psychology (UA College of Science), Nutritional Sciences (College of Agriculture and Life Sciences), and Clinical Translational Science. In addition, he is a faculty member of the Neuroscience and Physiological Sciences Graduate Interdisciplinary Programs. He is Certified in Behavioral Sleep Medicine by the American Board of Sleep Medicine and is a Diplomate in Behavioral Sleep Medicine by the Board of Behavioral Sleep Medicine.

Website: https://www.michaelgrandner.com/

University of Arizona: https://www.sleephealthresearch.com/team.html

LinkedIn: https://www.linkedin.com/in/grandner/

ResearchGate: https://www.researchgate.net/profile/Michael_Grandner

Twitter: https://twitter.com/michaelgrandner

Episode Homepage: https://sleepjunkies.com/screens-and-sleep/

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