The Sleep-Stress Cycle: How Stress and Insomnia Can Reinforce Each Other October 1, 2026 The Sleep-Stress Cycle: How Stress and Insomnia Can Reinforce Each Other We’ve all had nights when our mind seems to switch on the moment our head hits the pillow. You might replay a stressful conversation, think about tomorrow’s workload or simply wonder why you’re still awake. Unfortunately, stress can make sleep harder, and a poor night’s sleep can leave you feeling even more stressed the next day.1 When this happens repeatedly, it can create a frustrating sleep-stress cycle. How Stress Can Disrupt Sleep Stress activates the body’s natural “fight or flight” response.1 Hormones such as cortisol and adrenaline help make you more alert and prepared to respond to a challenge.1 While this can be useful during the day, increased alertness is not particularly helpful when you’re trying to fall asleep. Both short-term and ongoing stress can affect sleep. Work pressures, relationship difficulties, financial worries, illness or major life changes can all contribute to restless nights. Chronic stress may also reduce the amount of deep, restorative sleep you get and disrupt REM sleep.1 When Poor Sleep Creates More Stress The relationship works both ways. After a poor night’s sleep, you may feel tired, irritable and less able to manage everyday challenges.2 Things that would normally feel manageable can suddenly seem much harder. Over time, you may even start worrying about sleep itself. Thoughts such as “What if I can’t sleep again tonight?” can increase alertness at bedtime, making it even more difficult to switch off. This is how stress and insomnia can begin reinforcing each other. Breaking the Sleep-Stress Cycle Small, consistent changes can help your body and mind prepare for sleep. Keeping regular sleep and wake times, exercising regularly and creating a quiet, comfortable bedroom environment can all support better sleep.1, 2 Relaxation techniques, such as controlled breathing or meditation, may also help reduce stress before bedtime.3 Limiting caffeine and nicotine in the hours before bed and putting electronic devices away can make it easier to wind down.1 If you’re lying awake and becoming increasingly frustrated, getting out of bed for a quiet activity such as reading or listening to calming music may be more helpful than continuing to watch the clock.2 Cognitive behavioural therapy for insomnia (CBT-I) can also help address thoughts and behaviours that contribute to ongoing insomnia and provide practical strategies for improving sleep.1 When to Seek Help An occasional restless night during a stressful period is common. However, if sleep difficulties continue for several weeks, regularly affect your daytime functioning or are becoming difficult to manage, it’s worth seeking support. Speak with your doctor or a qualified sleep professional. Identifying what is contributing to your sleep difficulties and getting the right support can help you break the sleep-stress cycle and get back to more restful, restorative sleep. How Sove CPAP Clinic Can Help If poor sleep is becoming an ongoing problem, understanding what may be contributing to it is an important first step. At Sove CPAP Clinic, our team can help assess your sleep concerns, symptoms and individual risk factors to build a clearer picture of what may be disrupting your sleep. We can also investigate whether other sleep conditions, such as obstructive sleep apnea, could be contributing to poor-quality or unrefreshing sleep. Where appropriate, we offer bulk-billed home sleep studies for eligible patients and can help guide you towards personalised treatment options based on your individual needs and results. If you’re regularly struggling with poor sleep, waking unrefreshed or experiencing symptoms such as snoring or daytime fatigue, call our friendly team on 1300 76 29 39 or email info@thecpapclinic.com.au to find out how Sove can help you take the next step. When considering whether a sleep study is right for you, speak to your doctor. Medicare criteria and T&Cs apply. References 1. Suni, Eric. “Stress and Insomnia.” Sleep Foundation, 17 Sept. 2020, https://www.sleepfoundation.org/insomnia/stress-and-insomnia. 2) van der Linden, Nick. “The Stress-Sleep Cycle: How to Break It Without Overhauling Your Life.” Contemporarypsychology.Com.Au, Contemporary Psychology, 16 July 2026, https://www.contemporarypsychology.com.au/the-stress-sleep-cycle-how-to-break-it-without-overhauling-your-life. 3. “Breaking the Stress–Sleep Cycle: How to Rest Better in Difficult Times.” University of Utah Health | University of Utah Health, 30 Mar. 2020, https://healthcare.utah.edu/the-scope/health-library/all/2025/08/breaking-stress-sleep-cycle-how-rest-better-difficult-times.
