Insomnia due to stress usually gets better if the stress is removed. The body and mind's natural response to stress and trauma can lead to hyperarousal, preventing people from getting to sleep. This includes things such as work deadlines and exams, as well as major emotional traumas, such as a bereavement. The following causes often lead to this state of hyperarousal.Īny stressful or distressing event can cause insomnia. Hyperarousal is when the parts of the brain that keep us awake are over-active - including when we need them to switch off so we can sleep. We think that insomnia is probably caused by a state called hyperarousal. However, other things happen in people with chronic insomnia that can cause their sleep problems to continue for a long time. It's thought that long-term exposure to these triggers can also cause chronic insomnia. Lots of different things can cause insomnia, at least in the short term. The rest of this feature will take an in-depth look at the causes of insomnia, as at Patient, we know our readers sometimes want to have a deep dive into certain topics. In this series of articles centred around insomnia, you can read about insomnia symptoms, insomnia causes, and insomnia treatments - all written by one of our expert GPs. If you think you have insomnia, find out what to do here. Behaviours that make sleep quality worse, such as sleeping during the day, using sedatives, or spending more time in bed.Unhelpful feelings, thoughts or preoccupations with sleep, which make it harder to sleep.Psychological links between the bedroom environment and being awake.Some things which can lead to insomnia persisting include: The reasons for this are complicated and differ from person to person. Some people develop long-lasting sleep problems like chronic insomnia. For most people, this only lasts a short time. Physical health conditions, such as COPD and heart failure.Īlmost everyone has trouble sleeping occasionally.Mental health conditions, such as depression and anxiety. ![]() Recreational drugs, such as cocaine and ecstasy.Caffeine - for example in coffee, tea, and energy drinks.Changes in the sleeping environment, such as having a young baby, or a sleeping environment that is noisy, bright, or too warm or cold.Things that disrupt the circadian rhythms - our internal body clocks - such as shift work or jet lag.Distressing events, such as a bereavement, a breakup, or exams.
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