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Sleep Expert – Dr Sophie Bostock

Sophie brings a wealth of expertise to the role having spent the last six years researching and championing the importance of sleep science in NHS and corporate settings. Sophie was responsible for improving access to the award-winning digital sleep improvement programme, Sleepio, as an NHS Innovation Accelerator Fellow. She has delivered hundreds of talks, including for TEDx and Talks@Google, and regularly features as a media sleep expert.

Your most pressing sleep questions, answered.

Struggling to sleep? Perhaps you keep waking up during the night? Well, you’re not alone. We took to Instagram with a poll, asking our followers if they had any sleep questions they would like to put to Dr Sophie Bostock, and the results are in.

From snoring to strange dreams, many of you shared your concerns that were stopping you from sleeping. We collated the results and took some of the most popular and pressing questions to Sophie, a Sleep Scientist and passionate advocate for the importance of sleep. Here’s what she said…

Your most pressing sleep questions, answered.

Struggling to sleep? Perhaps you keep waking up during the night? Well, you’re not alone. We took to Instagram with a poll, asking our followers if they had any sleep questions they would like to put to Dr Sophie Bostock, and the results are in.

From snoring to strange dreams, many of you shared your concerns that were stopping you from sleeping. We collated the results and took some of the most popular and pressing questions to Sophie, a Sleep Scientist and passionate advocate for the importance of sleep. Here’s what she said…

How to prepare your children for their return to school.

The last year has been such a rollercoaster that you’d think we’d be used to uncertainty by now. But that’s not always how it works, says Dr Sophie Bostock.

Even if you’ve been desperately looking forward to an end to home-schooling, change of any kind can be unsettling. Worry often sneaks up on us in the middle of the night. We might fall asleep OK, but wake up in the early hours, thoughts churning. So what can you do this week to ease back-to-school worries?

Here, our sleep expert Dr Sophie Bostock explains...

How a good sleep routine can strengthen your immune defences

Dr Sophie Bostock talks about how a good night’s sleep plays a vital role in building a strong immune system and may help make vaccines more effective. View the video to hear what she has to say and to see how quality sleep can help in the fight against Covid-19.

The Sleep Diary

If you want to change anything about your sleep, where do you start?

Well, it’s really helpful to know where you’re starting from. So, the first thing Sophie recommends keeping a sleep diary.

Simply think about last night and write down the answers to these two questions. They don’t need to be super accurate.

  • How many hours were you asleep for last night? Not counting time you were awake in the middle of the night.
  • How many hours were you in bed for? This includes time watching netflix before bed, or snoozing, or checking your phone in the morning OK, now for the fun part. Maths. Guesstimates are allowed. As is asking your children for help.

You should have two numbers. Say 7 hours of sleep, and 8 hours in bed. What we want to know is your Sleep Efficiency, which is the proportion of time in bed that you were actually asleep…

So, 7 divided by 8, multiplied by 100 provides a percentage… This gives a sleep efficiency of 87.5% - let’s round it up to 88%.

This is pretty good. A healthy sleep efficiency is anything above 85%, and 90% is excellent.

To improve it, think about not going to bed until you actually feel sleepy - and not lingering in bed when you wake up.

You want your brain to associate your bed with sleep and intimacy - and nothing else.

Other Projects Sophie Has Been Involved In

The Sleep Scientist was launched by Dr Sophie Bostock with the aim of helping more people to sleep well, and thrive. Sophie is a scientist and speaker with a bias for action.

Sophie has always been intrigued by why what makes us feel good and function well. She studied medicine at Nottingham University, followed by an MSc in Entrepreneurship. After several years in consulting, she completed a PhD in Health Psychology at University College London (UCL), investigating why happiness protects against heart disease, and how to improve wellbeing at work.

We worked with Dr Sophie Bostock from 1st December 2019 to 31st July 2025.

Dr Sophie Bostock

TEDxLSHTM

The Magic of Digital Medicine What Harry Potter and digital CBT for insomnia have in common

Talks at Google

Talks@Google

Sleeping for the sleep deprived Why so many of us are short of sleep, and what to do about it

ITV this morning

ITV This Morning

On World Sleep Day 2019, a bitesize summary of sleep tips with Eamonn & Ruth

Fighting Fatigue in the Winter: How to Beat the Winter Blues
November 24, 2021-Dr Sophie Bostock

Fighting Fatigue in the Winter: How to Beat the Winter Blues

Do you feel low in the winter months? Do you struggle to get motivated when it’s dark and cold outside? Do you rely on comfort food to make it through the day? After the October clock change, as the days get shorter and it gets colder outside, at least 1 in 5 adults experience a triad of symptoms [...]
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World Mental Health Day: How to Tackle Unhelpful Thoughts About Sleep
October 7, 2021-Dr Sophie Bostock

World Mental Health Day: How to Tackle Unhelpful Thoughts About Sleep

The sleep-deprived brain has a habit of focusing on worries about sleep. The more we worry, the more tense our bodies become, and the more difficult it is to fall asleep. Sometimes these negative sleep thoughts can invade our day, as well as our nights. The good news? Our sleep deprived brains cannot always be trusted to have sensible thoughts. [...]
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Pregnancy & Sleep: How to Sleep Well During Pregnancy  | Sleep Hub
August 3, 2021-Dr Sophie Bostock

Pregnancy & Sleep: How to Sleep Well During Pregnancy | Sleep Hub

Finding yourself unusually tired during pregnancy is very common, especially during the first 12 weeks. Here, Dr Sophie Bostock explains why this is, and what you can do to sleep well during pregnancy. Tiredness in pregnancy – why does it happen? Many women experience fatigue long before they have a visible bump. Most adults need 7 to 9 hours sleep, [...]
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Could More Sleep Help our Fight to Overcome Covid-19? | Sleep Hub
June 14, 2021-Dr Sophie Bostock

Could More Sleep Help our Fight to Overcome Covid-19? | Sleep Hub

The NHS rollout of the covid-19 vaccine is continuing at a remarkable pace, with almost 78% of the UK population having received one dose, and 55% fully vaccinated with two doses. But i f you haven’t yet received your first vaccine, or are waiting for a second, you may be wondering what else you can do in the meantime [...]
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Stress: How to Manage Stress and Use it to Your Advantage | Sleep Hub
June 7, 2021-Dr Sophie Bostock

Stress: How to Manage Stress and Use it to Your Advantage | Sleep Hub

There’s lots of great advice out there about how to avoid or minimize stress but is there a good side to stress and how can we use it to our advantage? Sometimes, when you try to avoid something, it can make that thought even more intrusive. For example, for the next 20 seconds, try not to think of a pink [...]
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