Sleep/Wake Research Centre

Sleep/Wake Research Centre Sleep/Wake Research Centre, School of Health Sciences, College of Health, Massey University, New Zealand

The Sleep/Wake Research Centre is passionate about exploring many aspects of sleep and our body’s internal clock. We investigate how not getting enough sleep can affect our health and well-being, what causes sleep difficulties, and how sleep is experienced throughout life. We’re also dedicated to understanding how common sleep issues are in New Zealand, and finding better ways to manage shift work and workplace fatigue. Our goal is to improve everyone’s well-being through our important research. We engage with community groups, organisations, and government agencies, because, together, we can create new solutions that make a real difference.

The Sleep/Wake Research Centre team has been at the WorldSleep conference in Singapore this week. We have thoroughly cra...
10/09/2025

The Sleep/Wake Research Centre team has been at the WorldSleep conference in Singapore this week. We have thoroughly crammed our brains with new research on sleep, circadian rhythms and shift work and look forward to sharing our new knowledge with those we work with.

⭐ Inviting women living with cancer in Aotearoa New Zealand to complete a short SURVEY ⭐All women aged 25-65 who have be...
10/07/2025

⭐ Inviting women living with cancer in Aotearoa New Zealand to complete a short SURVEY ⭐

All women aged 25-65 who have been diagnosed with cancer are invited to take part in a short survey on sleep and mood.

By sharing your experiences, you will help support the development of resources to support sleep and mood for women with cancer.

👉 The survey will take about 10 minutes to complete. To participate, follow the link: https://tinyurl.com/sleepmoodsurvey

👉 As a thank-you, participants will have the opportunity to enter a draw to win one of ten $30 supermarket vouchers

Please share this important work with your networks and anyone you think might be interested in participating. The study is being conducted by one of our PhD Candidates.

Participate in our research project!📣  Calling all people with endometriosis who have experienced sleep difficulties 📣Yo...
24/06/2025

Participate in our research project!

📣 Calling all people with endometriosis who have experienced sleep difficulties 📣

You are invited to take part in our research study exploring the role of sleep in endometriosis, healthcare decisions and experiences. Your input can help shed light on an often-overlooked aspect of endometriosis care: sleep.

What’s involved?

You’ll complete a 15-30 minute anonymous online survey about your experiences with sleep, endometriosis symptoms, and healthcare decisions related to sleep. As a thank you, you’ll have the option to enter a draw to win a $50 Prezzee voucher after completing the survey.

Found out more: https://tinyurl.com/EndoSleepNZ

💤Are you someone who pushes the snooze button in the morning? 🤔The usual advice is to avoid using a snooze alarm in the ...
22/05/2025

💤Are you someone who pushes the snooze button in the morning? 🤔
The usual advice is to avoid using a snooze alarm in the morning. It is thought that people get more sleep and reduce feeling groggy on waking if they get up when their alarm first goes off.

However, there is little research on the use of snooze alarms. The research that does exist suggests their use is common. It has been estimated that 30-60% of people use a snooze alarm and typically push snooze more than once. People who naturally sleep later tend to use a snooze alarm more than people who naturally go to bed and wake earlier.

A recent study by Rebecca Robbins and colleagues investigated the use of snooze alarms in 21,222 users of a sleep tracking app over more than 3 million nights. They found:
1️⃣ Snooze button use is quite common. More than half of all sleep sessions ended with the push of the snooze button.
2️⃣ Almost half of the app users used a snooze alarm on most days (at least 80% of the time), and about a third pushed the snooze button 40-60% of the time.
3️⃣ On average, people who used snooze alarms on most days pushed the snooze button 4 times and snoozed for about 20 minutes. Those who used the snooze button on fewer days tended to push it fewer times and snooze for shorter periods.
4️⃣ Snoozing was less common on the weekend than on weekdays.
5️⃣ Snoozing was more common in longer sleepers and those who went to bed later.

So, why might people push the snooze button?
👉 Some people may not be getting enough, good quality sleep at regular times. Feeling unrested when waking up might increase the desire to push the snooze button.
👉 Feeling groggy on waking means it can be harder to bounce out of bed. It is possible that people use a snooze alarm to help with the wake-up process.
👉 Some people naturally have later bedtimes than others. These people fall asleep later and naturally wake up later than the average person. When required to wake at times required to get to work or school, they can feel groggy and unrested on waking. They may push the snooze button because they don’t feel they have had enough sleep.
👉 Shift workers are more likely to have short sleep and feel less rested when they wake up because they are sleeping at times when they are designed to be awake. Feeling unrested when waking up may lead to a desire for more sleep and pushing the snooze button.

There are still a lot of unanswered questions on snooze button use. There is an opportunity to learn more about the reasons people push a snooze button and how that links to their sleep behaviours and overall sleep health. From there, tailored guidance on snooze button use can be developed. While general guidelines exist for good sleep, many strategies are not one-size-fits-all. Snooze button use might signal that sleep support is needed, or instead, may have a sleep-supporting role we have not yet identified.

https://www.nature.com/articles/s41598-025-99563-y

Snooze alarm use is a common, but poorly understood human behavior. We explore the prevalence and characteristics of snooze alarm use in more than 3 million nights collected in a global sample of users of a sleep monitoring smartphone application. On the nights that participants logged a sleep....

11/05/2025

⭐ Inviting Women with Cancer in New Zealand to complete a short SURVEY ⭐

We are inviting all women aged 25-65 diagnosed with cancer to take part in a short survey on sleep and mood.

By sharing your experiences, you will help us develop resources to support sleep and mood for women with cancer.

👉 The survey will take about 10 minutes to complete. To participate, follow the link: https://tinyurl.com/sleepmoodsurvey

👉 As a thank-you for participating, you will have the opportunity to enter a draw to win one of ten $30 supermarket vouchers

Sleep/Wake researcher, Dr Dee Muller, gave a fantastic and thought-provoking presentation today in celebration of World ...
14/03/2025

Sleep/Wake researcher, Dr Dee Muller, gave a fantastic and thought-provoking presentation today in celebration of World Sleep Day. This year's theme is 'make sleep a priority'. As Dee highlighted, a wide range of social and societal factors mean that healthy sleep may not be achievable by all.

⭐ Join us at a webinar this World Sleep Day! ⭐SWRC researcher, Dr Dee Muller, will be presenting in a webinar this World...
07/03/2025

⭐ Join us at a webinar this World Sleep Day! ⭐

SWRC researcher, Dr Dee Muller, will be presenting in a webinar this World Sleep Day (15 March) on healthy sleep: a right or a privilege? Join us for a thought-provoking presentation

The webinar is FREE to attend. Registration can be made via this link: https://shorturl.at/abk9F

Sleep supports us to live our best lives but does everyone in our society have the same opportunities for good sleep health?
Register to attend our FREE webinar here: https://shorturl.at/abk9F

⭐ We're excited to share a second published paper from one of our superstar DClinPsych Candidates! ⭐ Mikaela Carter has ...
06/01/2025

⭐ We're excited to share a second published paper from one of our superstar DClinPsych Candidates! ⭐ Mikaela Carter has found that:

👶 Sleep in 12-week-old infants is highly variable from one infant to the next.
🛌 Although there are no differences in developmental markers of sleep between Māori and non-Māori infants, there are some differences in where they sleep.

💤 Together with previous research, Mikaela's findings suggest that inequities in sleep health can be observed somewhere between 3 months and 3 years as a result of exposure to ethnic inequities in social determinants of health.

To investigate potential sleep inequities between the infants of Māori and non-Māori mothers in Aotearoa New Zealand, identify socio-ecological factors associated with infant sleep, and determine features of infant sleep that contribute to a mother-perceived infant sleep problem.

We’re excited to share DClinPsych Candidate Mikaela Carter’s latest publication on sleep and maternal depression in the ...
15/11/2024

We’re excited to share DClinPsych Candidate Mikaela Carter’s latest publication on sleep and maternal depression in the journal SLEEP!
👇

Mikaela explored relationships between maternal depression (measured in pregnancy, 12 weeks postnatal, and 3 years post-birth) and child sleep (measured at ages 12 weeks and 3 years).

💤 She found that prenatal depressive symptoms in mothers were associated with short sleep at age 3 years, even after considering the impact of demographics like ethnicity and socioeconomic status, how their child slept as an infant, and any depressive symptoms after giving birth.

Based on these findings, Mikaela calls for earlier and better mental health support for mothers!

She emphasises that support should be fit for purpose across and beyond the perinatal period. Appropriately addressing maternal depression is likely to benefit the sleep of children and help support other aspects of wellbeing for the whole whānau that are linked to getting good sleep in childhood.

Great work, Mikaela!

AbstractStudy Objectives. (1) To describe sleep in infancy and early childhood among children born to mothers with and without clinically significant depre

The Sleep/Wake Research Centre team had a great time at the Sleep Downunder conference this month. We filled our brains ...
29/10/2024

The Sleep/Wake Research Centre team had a great time at the Sleep Downunder conference this month. We filled our brains with new research. Some exciting findings and takeaways that we took from the conference were,

💤 We need to take sleep more seriously and less seriously at the same time. Sleep is both critically important and in need of more research and clinical attention AND it's normal—even helpful—for sleep to be imperfect.
🛏 Regular sleep/wake timing is just as important as getting enough good quality sleep! The research in this space is growing fast.
😴 Insomnia is incredibly complex and can be classified into different experiences based on the level of distress a person experiences and how reactive they are to their environment. There is no one-size-fits-all approach to addressing insomnia.
🌎 Our sleep health recommendations and sleep health services are largely based on a monocultural Western perspective and need to consider the experiences and perspectives of many different groups within society.
👨‍⚕️ In stretched healthcare services, we need to think creatively about how sleep health services can be provided. There are excellent initiatives being designed and tested to involve pharmacists in sleep health, alter the pathway to and broaden the scope of practice of clinical psychologists, and offer brief digital interventions for insomnia.
👨‍🏭 Involving shift workers in research and resource development is crucial. When shift workers don't sleep at night, it increases health and safety risks. Shift workers may be more inclined to use resources to support their sleep health if these are co-designed.
⚕ People who live with sleep disorders/issues or care for someone who has a sleep disorder/issue need to be actively involved in research teams (as named and paid investigators), consumer groups and conferences, and be involved in co-designing resources/interventions. This aligns with the movement.

This recent study by   researchers at the University of Otago highlights that young people have poorer sleep when they u...
07/09/2024

This recent study by researchers at the University of Otago highlights that young people have poorer sleep when they use their devices in bed. Check out the main findings in this article on The Conversation Australia + NZ 👇

Parents are regularly told to limit their children’s screen time during the evening. But new research suggests it is using digital devices while in bed that is the bigger problem.

Congratulations to Dr Margo van den Berg, who received the SAANZ Emerging Researcher Award at the Sleep in Aotearoa 2024...
24/06/2024

Congratulations to Dr Margo van den Berg, who received the SAANZ Emerging Researcher Award at the Sleep in Aotearoa 2024 conference in Dunedin last week. Margo is an exceptional emerging researcher whose work focuses on fatigue science in aviation and other high-risk industries.

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Wellington
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