Sleep Talk - Talking all things sleep

Episode 20: Sleep 2017 Update

Interested in the latest research on sleep discussed by world experts? Check out this update from the Sleep 2017 meeting in Boston. With the help of Dr Simon Frenkel (Sleep Physician), we discuss the latest in sleep research, new sleep products and thinking in the management of sleep disorders.

Dr Moira Junge (Health Psychologist) and Dr David Cunnington (Sleep Physician) host the monthly podcast, Sleep Talk, talking all things sleep.

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Audio Timeline:

• 00:00 - 01:46 Introduction
• 01:45 - 07:43 What's news in sleep?
  • 01:45 - 03:08 774ABC radio - Talking about sleep with Libbi Gorr
  • 03:08 - 04:47 Sleep Awareness Week
  • 04:47 - 05:03 Podcast on Winter Blues
  • 05:03 - 05:37 Sleep4Performance radio - new podcast from Ian Dunican
  • 05:37 - 07:05 Sleep Eating
• 07:05 -  38:58 Theme - Sleep 2017 Update
  • 07:05 - 09:00 Background - Sleep 2017 Update
  • 09:00 - 25:25 Sleep in other conditions
    • Sleep in pain syndromes
    • Sleep in Alzheimer's disease
    • Circadian rhythms and cancer
  • 25:25 - 31:51 Insomnia
    • Pharmacological treatment of insomnia
    • Short objective sleep phenotype in insomnia
  • 31:51 - 38:58 Sleep products
    • Ebb sleep
    • Didgeridoo playing for sleep apnea
• 38:58 - 41:44 Clinical tip of the month - Need to tailor approaches to insomnia treatment
• 41:44 - 47:50 Pick of the month:
  • 42:20 - 43:44 Simon - Late night tweeting and performance in NBA players
  • 43:44 - 46:06 David - The collapse of Hello
• 46:06 - 47:46 What's coming up in sleep?

Next episode: August 7th - Why treat OSA?

Links mentioned in the podcast:

• Sleep 2017 meeting - Boston June 3-7
• ABC774 - Talkback radio on sleep with Libbi Gorr
• Sleep Awareness Week
• Effect of urban light on swans of Albert Park lake
• Sleep4Performance Radio - podcast on sleep and performance
• Sleep Eating - Today Tonight story
• Consensus statement on drug treatment of insomnia
• Ebb sleep
• Didgeridoo playing for snoring and sleep apnea
• Late-night tweeting in NBA players and performance
• The collapse of Hello
• Sleep Awareness Week
• Sleep 2018 - Baltimore 2-6th June 2018
• World Sleep Congress - Prague 7-11th October 2017
• Sleep Down Under - Auckland 25-28th October 2017
• International Conference on Sleep Disorders - Jalandhar 27-29th October 2017

See omnystudio.com/listener for privacy information.

Do you get winter blues? Why does this happen? What can we do about it? It is all about light or are there other factors involved in winter blues? These are all questions we try to answer in this episode, with the help of Prof Greg Murray (Psychologist) and Martin Emtenäs (Swedish TV host).

Dr David Cunnington (Sleep Physician) and Dr Moira Junge (Health Psychologist) host the monthly podcast, Sleep Talk, talking all things sleep.

Leave a review and subscribe via iTunes

Audio Timeline:

• 00:00 - 01:45 Introduction
• 01:45 - 07:43 What's news in sleep?
  • 01:45 - 03:42 Sleep Awareness Week
  • 03:42 - 04:45 Debunking Sleep Myths
  • 04:45 - 05:37 Podcast on a CPAP experience
  • 05:37 - 06:22 Ask the Doctor
• 06:22 -  Theme - Winter Blues
  • 06:22 - 09:50 Background - Winter Blues
  • 09:50 - 15:18 Guest interview - Martin Emtenäs
    • Living through a Scandinavian winter
    • Sleeping when it's light all night
  • 15:18 - 39:34 Guest interview - Prof Greg Murray
    • What's the role of light in regulating the circadian system?
    • How do our behaviours change across seasons?
    • Is it all about light? What other factors contribute to winter blues?
    • How might light affect mood?
    • Should we use the term Seasonal Affective Disorder (SADS)?
    • What biases in research can impact on research in this area?
    • How should we approach treatment for winter blues?
  • 39:34 - 42:46 What else can people do to help with winter blues?
  • 42:46 - 43:23 Where to get more information on winter blues
• 43:23 - 44:20 Clinical tip of the month - Using behavioural activation for fatigue
• 44:20 - 47:50 Pick of the month:
  • 44:20 - 46:07 Moira - SAD schmad: Is seasonal affective disorders a valid construct?
  • 46:07 - 47:50 David - Light as an aid for inpatient recovery: A systematic review
• 47:50 - 49:25 What's coming up in sleep?

Next episode: July 3rd - Update from Sleep 2017 meeting

Links mentioned in the podcast:

• Sleep Awareness Week
• Debunking Sleep Myths
• Adventures in CPAP
• Ask the Doctor
• Will Norway Ever Beat the Winter Blues? - The Atlantic
• Martin Emtenäs bio
• Prof Greg Murray bio
• Centre for Environmental Therapeutics
• Seasonal affective disorder - SleepHub post
• Light Therapy - What are the options?  - SleepHub post
• What is behavioural activation? - SleepHub post
• SAD schmad: Is seasonal affective disorder a valid construct?
• Light as an aid for inpatient recovery: A systematic review
• Sleep Awareness Week
• Sleep 2017 meeting - Boston June 3-7

See omnystudio.com/listener for privacy information.

What is mindfulness? How is it used? How can it help with sleep? These are all questions we try to answer in this episode, with the help of Dr Antonio Fernando (Psychiatrist), Dr Allie Peters (Psychologist) and guest co-host Dr Giselle Withers (Psychologist). Mindfulness can be a great skill to help with sleep, but learning mindfulness takes time and a structured approach with guidance from an experienced teacher.

Dr Moira Junge (Health Psychologist) and Dr David Cunnington (Sleep Physician) host the monthly podcast, Sleep Talk, talking all things sleep.

Leave a review and subscribe via iTunes

Audio Timeline:

• 00:00 - 00:56 Introduction
• 00:56 - 07:43 What's news in sleep?
  • 00:56 - 02:02 Health retreats and sleep
  • 02:02 - 3:10 Mindfulness in May / A Mindful Way
  • 03:10 - 05:16 Change of seasons
  • 05:16 - 06:10 Featuring research on the podcast
• 06:10 -  Theme - Mindfulness
  • 06:10 - 09:15 Background - Mindfulness
  • 09:15 - 15:02 Guest interview - Dr Tony Fernando
    • What is mindfulness?
    • How is it used?
  • 15:02 - 23:27 Guest interview - Dr Allie Peters
    • Why should mindfulness help sleep?
    • Research on mindfulness for insomnia
      • What did you find?
      • What did you learn from your research using mindfulness for insomnia?
  • 23:27 - 37:37 Guest interview - Dr Giselle Withers
    • What is mindfulness?
    • How does mindfulness add to cognitive behavioural therapy for insomnia?
    • How can people learn mindfulness?
  • 37:37 - 40:21 Mindfulness exercise
  • 40:21 - 41:32 Where to get more information on mindfulness
• 41:32 - 42:11 Clinical tip of the month - A wandering mind is normal
• 42:11 - 44:25 Pick of the month:
  • 42:11 - 43:02 Moira - Sleep Quality and Mindfulness as Predictors of Depression, Anxiety and Stress
  • 43:02 - 44:01 David - The neural correlates of dreaming
  • 44:01 - 44:37 Giselle - Mindfulness-Based Therapy for Insomnia - Book
• 44:37 - 45:51 What's coming up in sleep?

Next episode: June 5th

Links mentioned in the podcast:

• Health Retreats and Sleep
• Golden Door Health Retreat
• Mindful in May
• A Mindful Way - Next guided course starts May 27th 2017
• Seasonal affective disorder
• Sleep and headache - research by Daniel Sullivan
• Chronic headaches and insomnia - review
• Combining mindfulness with cognitive-behavioural therapy
• Randomised controlled trial of mindfulness for insomnia
• Insomnia Severity Index - link to the questionnaire
• Wandering mind not a happy mind - Harvard research
• Melbourne Sleep Disorders Centre - group using mindfulness for insomnia
• A Mindful Way - online mindfulness course for insomnia
• Mindfulness-Based Therapy for Insomnia - Book
• Practical tips for mindfulness - SleepHub post
• Mindfulness and its role in sleep - SleepHub audio interview
• UMass Center for Mindfulness
• Full Catastrophe Living - Book
• A Mindful Way
• Sleep Quality and Mindfulness as Predictors of Depression, Anxiety and Stress
• The neural correlates of dreaming
• Dreaming - Sleep Talk podcast episode
• Mindfulness-Based Therapy for Insomnia - Book
• Sleep 2017 meeting - Boston June 3-7
• World Sleep Congress 2017 - Prague October 7-11
• Sleep Down Under 2017 meeting - Auckland Oct 27-29

See omnystudio.com/listener for privacy information.

Headaches are a common symptom in people with sleep disorders. Headaches can also cause sleep problems. We discuss the link between headaches and sleep, as well as some simple sleep strategies to improve both headaches and sleep. In this episode we are joined by expert neurologists, Dr Andrew Evans and Dr Anne Calhoun.

Dr Moira Junge (Health Psychologist) and Dr David Cunnington (Sleep Physician) host the monthly podcast, Sleep Talk, talking all things sleep.

Leave a review and subscribe via iTunes

Audio Timeline:

• 00:00 - 00:52 Introduction
• 00:52 - 07:43 What's news in sleep?
  • 00:52 - 02:33 World Sleep Day
  • 02:33 - 6:30 Daylight Saving Time
• 06:30 - 31:37 Theme - Headache
  • 06:30 - 09:40 Background - Headache and Sleep
  • 09:40 - 18:00 Guest interview - Andrew Evans
    • Headache syndromes
    • Who should be sent to a neurologist?
    • Hyper-mobility syndromes and headache
    • How are headaches treated?
  • 18:00 - 31:04 Guest interview - Anne Calhoun
    • Link between headache and sleep
    • Reducing headache by improving sleep
  • 31:04 - 34:05 Summary - Headache and Sleep
• 33:37 - 32:37 Clinical tip of the month - Simple things can give big results
• 32:37 - 35:55 Pick of the month:
  • 32:37 - 33:40 Moira - A Mindful Way - online mindfulness course for insomnia
  • 33:40 - 35:55 David - Sleep - Book of quotes on sleep
• 35:55 - 38:22 What's coming up in sleep?

Next episode: May 1st - Mindfulness and Sleep

Links mentioned in the podcast:

• World Sleep Day
• World Sleep Day - Sleep Health Foundation challenge
• Busting Sleep Myths - Today show
• 2GB radio interview - Moira
• Daylight Saving Time panel - Sunrise
• Richmond Neurology - Dr Andrew Evan's clinical practice
• Caroline Headache Institute - Dr Anne Calhoun's clinical practice
• Sleep symptoms in people with headache - Headache Journal 2006
• Managing sleep to improve headache - Headache Journal 2007
• Headache Australia
• Sleep and Headache Disorders - review in Headache Journal
• A Mindful Way - online mindfulness course for insomnia
• Sleep 2017 meeting - Boston June 3-7
• World Sleep Congress 2017 - Prague October 7-11
• Sleep Down Under 2017 meeting - Auckland Oct 27-29
• Mindful in May

See omnystudio.com/listener for privacy information.

Orexin is a 'master controller' of the sleep wake control system. It stimulates the wake-promoting system and stabilises the switching between wake and sleep. The unique role of orexin makes it an attractive target for manipulating sleep. Blocking orexin has been shown to be an effective strategy in insomnia, and drugs that block orexin, like suvorexant (Belsomra), are now available. Orexin replacement will also play a key role in managing narcolepsy in the future.

Dr Moira Junge (Health Psychologist) and Dr David Cunnington (Sleep Physician) host the monthly podcast, Sleep Talk, talking all things sleep.

Leave a review and subscribe via iTunes

Audio Timeline:

• 00:00 - 01:25 Introduction
• 01:25 - 07:43 What's news in sleep?
  • 01:25 - 02:53 SCN2a gene mutation / sleep for carers
  • 02:53 - 04:14 Sleep in Australians - Sleep Health Foundation research
  • 04:14 - 05:17 World Sleep Day - Sleep Health Foundation campaign
  • 05:17 - 07:13 Melatonin - TGA registration
  • 07:13 - 07:43 Sleep walking research
• 07:43 -  36:44 Theme - Orexin & Suvorexant
  • 07:43 - 12:07 Sleep wake regulation and role of orexin
  • 12:07 - 25:51 Guest interview - Daniel Hoyer: Orexin
  • 25:51 - 34:05 Clinical use of suvorexant (Belsomra)
  • 34:05 - 36:44 Orexin replacement in narcolepsy
• 36:44 - 37:56 Clinical tip of the month - Map sleep symptoms to brain systems
• 37:56 - 37:58 Pick of the month:
  • 37:56 - 40:35 Moira - Insomniac City - Book
  • 40:35 - 44:46 David - Sleep in Primitive Societies - journal article
• 44:46 - 46:52 What's coming up in sleep?

Next episode: April 3rd 2017 - Headaches and Sleep

Links mentioned in the podcast:

• SCN2a gene mutation
• Australian Sleep Health Survey
• Sleep Health Foundation - Swap screen time for sleep time
• Melatonin - TGA registration in Australia
• Melatonin for sleep - SleepHub post
• Sleep walking research
• Prof Daniel Hoyer - Key research publications
• Suvorexant (Belsomra) approval - FDA (United States)
• Suvorexant (Belsomra) - US Consumer Reports
• Suvorexant (Belsomra) - The New Daily on Belsomra in Australia
• Consumer Medicine Information on Belsomra - Australia
• Medication for Insomnia - SleepHub post
• Cognitive Behavioural Therapy for Insomnia - SleepHub post
• Medication for narcolepsy - SleepHub post
• Neurological Regulation of Sleep - Nature paper by Saper et al
• Suvorexant - SleepHub post
• Orexin - SleepHub post
• Assessing Sleep Disorders - Video
• Insomniac City - Book
• Sleep in Primitive Societies - American Journal of Human Biology
• Sleep Down Under 2017 meeting - Auckland Oct 25-28
• Sleep 2017 meeting - Boston June 3-7
• World Sleep Congress 2017 - Prague October 7-11

See omnystudio.com/listener for privacy information.

Measuring sleep used to be the domain of the sleep laboratory, but new technologies allow sleep to be measured at home. How well do new devices work? What about consumer devices such as FitBit compared to actigraphy that has been used by sleep researchers for years? Should you be measuring your sleep? Does it help to improve sleep? With the help of James Slater from Sleep and Performance Analytics we discuss sleep measurement and the use of sleep trackers.

Dr Moira Junge (Health Psychologist) and Dr David Cunnington (Sleep Physician) host the monthly podcast, Sleep Talk, talking all things sleep.

Leave a review and subscribe via iTunes

Audio Timeline:

• 00:00 - 01:45 Introduction
• 01:45 - 05:16 What's news in sleep?
  • 01:45 -  02:45 Sleep technology
  • 02:45 -  03:38 Sleeping in the heat
  •  03:38 - 05:03 Research on parasomnias and sleep paralysis
• 05:03 -  34:17 Theme - Sleep Trackers. Discussion with James Slater
  • 05:03 - 24:30 Discussion on sleep trackers and sleep measurement
  • 24:30 - 30:12 What are the psychological aspects of measuring sleep?
  • 30:12 - 31:35 The future of sleep trackers
  • 31:35 - 33:20 Clinical actigraphy service
  • 33:20 - 33:50 More information on sleep trackers
• 33:50- 35:27 Clinical tip of the month - Self-monitoring and self-awareness is only part of behaviour change
• 35:27 - 37:58 Pick of the month:
  • 35:27 - 36:28 David - Sleepingtime.org
  • 36:28 - 38:58 Moira - Clean sleeping: A trend for 2017?
  • 38:58 - 40:46 James - Time use and productivity
• 40:46 - 41:32 Sign off

Next episode: March 6th 2017

Links mentioned in the podcast:

• Good Sleep: It's not about the night - SleepHub
• Sleep technology at CES - radio interview on 774AM
• Sleeping in the heat - SleepHub
• Sleeping in the heat - SBS online
• Research study on sleep walking and sleep eating - Monash University study
• Clinical actigraphy service - Sleep and Performance Analytics
• What sleep trackers are available? - SleepHub
• Using a sleep tracker - Sleephub audio interview
• Insights on sleep from using a sleep tracker - A Current Affair TV story
• Guidelines for the use of actigraphy - Society of Behavioral Sleep Medicine
• Sleepingtime.org - check people's sleeping hours based on their Twitter posts
• The life changing magic of tidying up - Book by Marie Kondo
• Clean sleeping: A trend for 2017? - The New Daily
• Prof Leon Lack - Flinders University
• Time use and productivity: The wage returns to sleep - Article by Matthew Gibson & Jeffery Shrader
• Sleep and daylight savings - Jawbone blog

See omnystudio.com/listener for privacy information.

At the start of each year, people make New Year's resolutions, often about health with the aim of making a new start. But often, by February, people are back in to their previous habits and routine, with their health goals left behind. To help set achievable goals around health and sleep, we talk about goal setting and making behaviour changes that stick with Prof Art Markman from University of Texas at Austin, author of Smart Change.

Dr Moira Junge (Health Psychologist) and Dr David Cunnington (Sleep Physician) host the monthly podcast, Sleep Talk, talking all things sleep.

Leave a review and subscribe via iTunes

Audio Timeline:

• 00:00 - 01:28 Introduction
• 01:28 - 10:31 What's news in sleep?
  • 01:28 - 04:06 Fatigue and accident risk
  • 04:06 - 05:56 Sleep talking - Is it funny?
  • 05:56 - 08:24 Is meditation as good as sleep?
  • 08:24 - 10:31Kochie's business builders
• 10:31 -  34:17 Theme - A New Start
  • 10:31 - 15:23 Setting goals for health and sleep
  • 15:23 - 32:20 Guest interview - Art Markman: Making changes that stick
  • 32:20 - 34:17 More information on setting goals
• 34:17 - 35:55 Clinical tip of the month - Don't just add more sleep rules
• 35:55 - 37:58 Pick of the month: Moira - Alec Baldwin and Jerry Seinfeld
• 37:58 - 40:05 Pick of the month: David - The Power of When - Book
• 40:05 - 41:15 Sign off

Next episode: February 6th 2017

Links mentioned in the podcast:

• Miner falling asleep after multiple night shifts - ABC report
• Alertness CRC - Research group looking at ways of managing fatigue
• Video of sleep talking - Adam Rosenberg on YouTube
• Article on sleep talking - The Huffington Post
• TV story on sleep talking - Sunrise
• Is meditation a substitute for sleep? - 9 Coach
• The importance for sleep for business - Kochie's Business Builders
• Healthy Sleep - podcast episode
• Let it Go - podcast episode
• Prof Art Markman - University of Texas
• Two Guys on Your Head - podcast with Prof Art Markman
• Smart Change - Book by Art Markman
• SmartThinkingBook.com - Art Markman's website
• Setting SMART goals - SleepHub post by Kris Pierce
• What are your sleep rules? - SleepHub post on reducing rules around sleep
• Good Sleep: It's not about the night - The Huffington Post
• Here's the Thing - podcast with Alec Baldwin and Jerry Seinfeld talking sleep
• The Power of When - book by Dr Michael Breus
• The Sleep Doctor - website of Dr Michael Breus

See omnystudio.com/listener for privacy information.

For people who have trouble sleeping, sleep can seem elusive. People can get in to a pattern of chasing sleep, trying ever harder to get everything just right in the hope of getting better sleep. However, the pathway to better sleep is often through letting go and being less careful about sleep. We discuss letting go of rules and behaviours around sleep, and are joined by Nathan Butler of Active Health Clinic who discusses a similar approach used in fatigue syndromes.

Dr Moira Junge (Health Psychologist) and Dr David Cunnington (Sleep Physician) host the monthly podcast, Sleep Talk, talking all things sleep.

Leave a review and subscribe via iTunes

Audio Timeline:

• 00:00 - 00:29 Introduction
• 00:29 -  02:18 Vale Prof Nick Antic
• 02:18 - 05:20 What's news in sleep?
• 05:20 -  16:10 Theme - Let it Go
• 16:10 - 24:09 Guest interview - Nathan Butler: Letting go in chronic fatigue syndrome
• 24:09 - 28:55 More information on letting go / managing sleep in the holidays
• 28:55 - 34:28 Clinical tip of the month - Think about language
• 29:30 - 30:35 Tip of the month: Moira - Language around sleep is important
• 30:35 - 31:56 Pick of the month: David - Insomniac - Book
• 31:56 - 33:13 What's coming up in the next month?

Next episode (January 2nd 2017): Setting goals for health and sleep

Links mentioned in the podcast:

• Donations to Prof Nick Antic scholarship fund
• Online course for CBT-I - APS Institute
• Chronic Insomnia - British Medical Journal
• Sleep Anxiety - The Age online
• Are the brains of insomniacs wired differently? - SBS Online
• Cerêve - FDA approved device for insomnia
• Sleep hygiene
• Cognitive behavioural therapy for insomnia
• Stimulus control
• Sleep restriction
• Mindfulness for sleep - audio interview
• Active Health Clinic
• FAQs about chronic fatigue syndrome
• Chronic fatigue syndrome program
• Sleep rules - letting go of rules around sleep
• Insomnia - podcast
• Cognitive behavioural therapy for insomnia - podcast
• Cognitive behavioural therapy for insomnia - post
• Mindfulness for sleep - video
• Insomniac - book
• Sleep Down Under 2017 - Auckland Oct 25-28
• World Sleep Congress - Prague Oct 7-11
• Sleep 2017 - Boston June 3-7

See omnystudio.com/listener for privacy information.

Dreaming. We all do it, but what is it really? Are all dreams the same? Do they have meaning? How should we think about dreams and do they influence clinical management of sleep disorders? We talk dreams and dreaming with Dr Jennifer Windt (Philosopher) and Dr Curt Gray (Psychiatrist).

Dr Moira Junge (Health Psychologist) and Dr David Cunnington (Sleep Physician) host the monthly podcast, Sleep Talk, talking all things sleep. Brought to you by SleepHub.

Leave a review and subscribe via iTunes

Audio Timeline:

• 00:00 - 00:51 Introduction
• 00:51 -  06:53 What's in the news about sleep?
• 06:53 - 42:30 Theme: Dreams
  • 09:40 - 30:01 Guest interview - Jennifer Windt: What are dreams?
  • 30:01 - 39:47 Guest interview - Curt Gray: A psychiatrist's perspective on dreams
  • 39:47 - 41:36 Image rehearsal therapy (IRT)
  • 41:36 - 42:11 More information on dreams
• 42:11 - 44:04 Clinical tip of the month - AIM model
• 44:04 - 44:36 Pick of the month: David - The Dream Drugstore
• 44:36 - 45:35 Pick of the month: Moira - Reboot your life - ABC
• 45:35 - 46:30 What's coming up in the next month?

Next episode (December 5th 2016): Let it Go

Links mentioned in the podcast:

• Phoebe's Fall - Investigative podcast series
• Sleep Health Foundation
• Sleep Down Under 2016 - meeting home page
• Sleep Down Under 2016 Day 1 - meeting highlights
• Sleep Down Under 2016 Day 2 - meeting highlights
• Sleep Down Under 2016 Day 3 - meeting highlights
• Lucid dreaming in narcolepsy - Research paper on dreaming in narcolepsy
• Dreaming: A Conceptual Framework for Philosophy of Mind and Empirical Research - book by Dr Jennifer Windt
• Dreams and Dreaming - Stanford Encyclopedia of Philosophy
• The Brains Blog - articles on dreaming by Dr Jennifer Windt
• Open MIND - MIT Press
• The Interpretation of Dreams - Sigmund Freud
• Guidelines for the treatment of nightmare disorder in adults
• AIM model - excerpt from The Dream Drugstore
• AIM model - diagram from Nature Reviews Neuroscience
• The Dream Drugstore - book by J. Allan Hobson
• Reboot your life
• Sleep 2017 - Boston June 3-7 2017
• World Sleep Congress - Prague Oct 7-11 2017
• Sleep Down Under 2017 - Auckland Oct 26-29

See omnystudio.com/listener for privacy information.

Highlights from Day 3 of the Sleep Down Under 2016 meeting in Adelaide. Topics highlighted today are circadian rhythms and mood, anxiety and insomnia and an approach to managing depression symptoms in sleep clinics.

For our monthly in depth podcast Sleep Talk, go to SleepHub.com.au, subscribe via iTunes or your favourite podcast app, or download the Sleep Talk app from the iOS app store. 

Links mentioned in the podcast:

• Teens & Screens - podcast episode featuring Dr Sean Cain

See omnystudio.com/listener for privacy information.