Sleep And Anxiety: The Vicious Cycle That Keeps You Awake

Sleep and anxiety can reinforce each other, turning a difficult night into a more anxious day and making the next bedtime harder. Explore the evidence behind this two-way relationship, practical responses and treatments that can address persistent sleep difficulties.

How Sleep And Anxiety Reinforce Each Other

You wake after a restless night and notice that an ordinary decision feels unusually difficult. A message from a colleague seems more worrying than it might have appeared yesterday. By evening, you are concerned not only about the unfinished business of the day but also about whether you will sleep. The prospect of another difficult morning becomes an additional worry just when you would prefer to rest.

The relationship between sleep and anxiety can operate in both directions. Anxiety may make it more difficult to settle into sleep, while insufficient or disrupted sleep may increase vulnerability to anxious feelings the following day. This does not mean that every person’s difficulties arise from this cycle. Several health, environmental and social factors may contribute to either problem.

In a 2013 systematic review, Pasquale Alvaro, Rachel Roberts and Jodie Harris examined nine studies concerning sleep disturbances, depression and anxiety. The available evidence supported a reciprocal association between insomnia and anxiety, although the number and diversity of studies limited firm conclusions about other kinds of sleep disturbance.

The relationship is important because concentrating exclusively on the original cause may overlook factors that now maintain a difficulty. Someone whose sleep problems began during a stressful period might benefit from addressing both the circumstances producing anxiety and the sleep difficulty itself. Our companion article on insomnia psychology explains how learned habits and expectations can contribute to persistent insomnia.

Why Anxiety Can Become More Noticeable At Bedtime

During an ordinary working day, attention is divided among conversations, activities and practical responsibilities. Bedtime often removes some of those competing demands. Questions that received little attention earlier may now seem more prominent, particularly if the person expects the following day to involve difficult decisions.

The problem may involve concerns about actual events, imagined possibilities or uncertainty about the consequences of making a mistake. An important distinction is that worrying about a problem does not always provide information that helps resolve it. You can spend an hour considering several possible outcomes without becoming better prepared for any of them.

For example, a fictional office worker named Sam receives an ambiguous message about tomorrow’s meeting. While preparing for bed, Sam attempts to predict the questions colleagues might ask. There may be a useful action available, such as checking the meeting agenda during working hours. However, repeatedly rehearsing unlikely conversations at midnight does not necessarily improve preparation.

Anxiety can also involve physical sensations, including tension, restlessness and awareness of changes in breathing or heartbeat. These sensations may draw further attention when the environment becomes quiet. Their presence does not establish that they are caused by anxiety, and new or severe physical symptoms deserve appropriate medical assessment.

Our explanation of rumination versus worry discusses repetitive thought patterns in greater detail. Identifying a concern can be useful, but resolving every uncertainty before sleep is rarely a realistic objective.

What Sleep Loss Can Do To Next-Day Anxiety

Sleep is relevant to the way people respond to emotional demands. After an insufficient night, some people find that situations requiring patience or sustained attention become more challenging. This may influence the experience of anxiety, especially when the person already faces considerable demands.

In research published in Nature Human Behaviour in 2020, Eti Ben Simon and colleagues examined anxiety following sleep loss using experimental and observational approaches. Their findings linked increased anxiety after sleep deprivation with altered activity and connectivity involving brain regions relevant to emotional regulation. They also reported relationships between aspects of deep non-REM sleep and reduced anxiety the following day.

These results provide evidence for possible mechanisms, not a means of identifying what is occurring in an individual’s brain from their feelings alone. Laboratory sleep deprivation differs from the many circumstances in which people experience chronic sleep difficulties. Individual responses to changes in sleep also vary.

An important practical implication is that an especially anxious morning following inadequate sleep may reflect several interacting influences. You might still face genuine problems that require attention, but your capacity for handling them could be affected by tiredness and disrupted rest.

Rather than dismissing concerns because you slept poorly, consider whether a nonurgent decision can be reviewed when you are more rested. For essential safety decisions, obtain assistance or use established procedures. Do not assume that a change in mood establishes whether an external risk is real.

For additional context, read our article about the psychology of sleep.

When Worry About Sleep Becomes Another Source Of Anxiety

After several difficult nights, a person may begin worrying specifically about bedtime. The concern is understandable: sleep loss can affect functioning, and tomorrow may involve responsibilities that cannot simply be postponed. Nevertheless, repeatedly trying to predict or prevent a poor night can become another demanding activity.

Imagine choosing a precise bedtime and then spending the evening calculating how much sleep you expect to obtain. You look at the time during the night, revise your calculation and begin evaluating your likely performance the following day. Each check introduces another reason to remain alert.

Some people respond by cancelling enjoyable evening activities, going to bed much earlier than usual or repeatedly purchasing products intended to improve sleep. These decisions may provide temporary reassurance, but their usefulness depends on the actual problem. Spending additional time in bed does not necessarily provide additional sleep.

It can help to distinguish preparations that are practical from efforts to eliminate uncertainty. Setting an alarm once, arranging suitable conditions for rest and preparing essential belongings for the morning are examples of practical steps. Repeatedly checking a sleep estimate in search of reassurance serves a different purpose.

If worries about sleep have become persistent, a professional can help determine whether a structured insomnia intervention would be appropriate. The intention is not to make you indifferent to sleeping adequately but to reduce patterns of attention and behavior that may contribute to the difficulty. A treatment plan can also take account of legitimate concerns about daytime responsibilities.

How Anxiety Disorders And Sleep Difficulties Can Overlap

Occasional anxiety is a familiar human experience. An impending examination, medical appointment or difficult conversation may temporarily influence sleep without establishing that a person has an anxiety disorder. Persistent, disproportionate or disabling concerns require a different level of assessment.

A review published in Neuropsychopharmacology in 2020 examined sleep disturbances associated with anxiety-related disorders and post-traumatic stress disorder. It described shared and differing features across conditions and explored mechanisms through which sleep disruption and anxiety may interact.

The particular symptoms matter. For some individuals, persistent worry throughout the day may be prominent. Others may experience panic episodes or distressing dreams. A person who wakes in fear may require assessment for panic, a sleep disorder or another medical condition. These possibilities cannot be reliably distinguished solely from a description of one nighttime experience.

Our article on nocturnal anxiety and panic attacks discusses one specific pattern. However, a sudden awakening with chest discomfort or breathing difficulty should not automatically be attributed to panic. Seek urgent medical help for possible heart attack symptoms, severe breathing problems or other alarming symptoms.

When consulting a clinician, describe both the nighttime events and your daytime experiences. Information about how often these occur, what you remember about them and their effects on ordinary functioning may guide the assessment. You do not need to decide in advance whether the primary problem is sleep or anxiety.

What Can Be Learned From Research On Improving Sleep

A useful question for researchers is whether interventions that improve sleep can also benefit psychological wellbeing. Observational studies alone cannot establish whether treating sleep will change the experience of anxiety, because people may be exposed to other influences that affect both outcomes.

In a 2021 meta-analysis, Alexander Scott and colleagues examined 65 randomized trials covering 8,608 participants. Sleep interventions that improved sleep quality were associated with improvements across several mental health outcomes, including an average moderate reduction in anxiety symptoms compared with controls.

The result supports the value of addressing sleep rather than assuming it will improve only after every other psychological concern is resolved. It does not establish that a particular individual will experience a predictable reduction in anxiety or that sleep treatment can replace dedicated treatment for an anxiety disorder.

There are also practical distinctions between interventions studied in controlled trials and everyday suggestions offered online. A structured treatment may involve assessment, individually adapted instructions and opportunities to review difficulties. A general recommendation to establish a relaxing evening routine does not provide the same level of care.

If sleep and anxiety are both affecting your life, consider discussing them together with an appropriate healthcare professional. This can help determine whether both need specific treatment and how any interventions can be coordinated. Our discussion of the relationship between sleep and mental health considers the wider consequences of treating sleep as an important part of wellbeing.

Creating An Evening Routine Without Turning It Into A Test

An evening routine can be useful when it reduces unnecessary decisions and provides a manageable transition from daytime activities to sleep. The appropriate routine depends on your work, household arrangements, health, preferences and available time. It need not contain a specific set of products or techniques.

For example, you might spend a few minutes preparing for the following morning, then choose a quiet activity that does not require you to monitor whether you are becoming sleepy. If a practical concern occurs to you, record the next feasible action rather than trying to resolve the entire problem immediately.

Aim for a routine that is sufficiently consistent to be helpful without becoming a source of pressure. If a family responsibility delays bedtime, adjusting the evening is often more realistic than treating that change as evidence that the whole night has been ruined.

Consider how caffeine, nicotine and alcohol affect your own sleep, and discuss significant concerns or dependence with appropriate healthcare professionals. Do not use alcohol to induce sleep or make unsupervised changes to prescribed medicines. People with particular health conditions may need specific advice about daily habits.

Gentle relaxation practices may appeal to some people. The purpose can be to reduce unnecessary demands rather than to produce a guaranteed sleep response. If a particular activity increases discomfort or makes you more concerned about your symptoms, you can stop and choose something else.

A supportive evening routine is not a complete treatment for persistent insomnia. Seek professional advice if difficulties recur or interfere substantially with your daytime life.

Addressing The Daytime Consequences Of A Difficult Night

A difficult morning can create additional demands when you have slept poorly. You may feel pressure to maintain your usual pace, compensate with more caffeine or avoid important activities altogether. Consider the nature of your responsibilities before deciding how to respond.

If you are too sleepy to drive or operate equipment safely, arrange another means of transport or postpone the activity. Feeling determined to complete a task does not remove the safety risks associated with substantial sleepiness. Safety-sensitive work may also require following workplace procedures.

For ordinary responsibilities, identify the tasks that genuinely require attention and those that can be deferred. It may be helpful to ask a colleague for clarification about a complex decision rather than assuming that you must handle every challenge alone. A brief period of rest may be appropriate if your circumstances permit it.

You may notice a tendency to interpret every inconvenience as a consequence of poor sleep. Although sleep can affect functioning, other explanations remain possible. A difficult conversation may involve disagreement independently of how rested you feel. Try to consider the circumstances rather than assigning every event to one cause.

If you repeatedly experience substantial daytime sleepiness or fatigue despite apparently adequate opportunities for rest, seek medical assessment. Another sleep disorder, medication effects or other health concerns may deserve attention. Persistent difficulty is not a reason to increase caffeine or other stimulants indefinitely without investigating the underlying issue.

What Effective Treatment For Persistent Insomnia Can Involve

Cognitive behavioral therapy for insomnia, or CBT-I, is a structured treatment designed to address factors that maintain chronic insomnia. It can involve changes to sleep-related routines, examination of expectations and individually adapted behavioral techniques.

The American Academy of Sleep Medicine’s 2021 clinical practice guideline recommends multicomponent CBT-I for adults with chronic insomnia. It distinguishes that treatment from sleep hygiene alone, which the guideline does not recommend as a standalone intervention for this condition.

If anxiety is also a significant concern, a clinician may recommend additional psychological treatment, medication when appropriate or other forms of care. The details depend on symptoms, preferences, medical history and any existing treatment. Insomnia and anxiety can coexist without requiring that one condition always be addressed before the other.

Certain components of CBT-I, particularly those involving reduced time in bed, require careful adaptation. Seek professional guidance rather than attempting substantial sleep deprivation on your own. Medical conditions and safety requirements may affect the suitability of particular approaches.

The availability of treatment varies between regions. You may be able to begin with a primary care professional, a qualified mental health practitioner or a sleep service. Ask about clinicians trained to treat insomnia and about evidence-based alternatives if local appointments are difficult to obtain.

A treatment plan should also allow for reviewing changes in both sleep and daytime functioning. If an approach is not helping or creates significant difficulty, discuss that experience with the treating professional rather than assuming that additional effort is always the answer.

When To Seek Professional Help For Sleep And Anxiety

Seek advice when sleep difficulties repeatedly interfere with your daily life, when anxiety becomes difficult to manage or whenever symptoms concern you. You do not need to wait until both difficulties become severe.

The National Heart, Lung, and Blood Institute describes chronic insomnia in terms of a recurring sleep problem lasting at least three months, with difficulties on three or more nights per week. Clinical evaluation considers other factors, including symptoms during the day and possible alternative causes. These diagnostic timeframes should not discourage earlier requests for assistance.

A brief record of approximate sleep times, nighttime difficulties, relevant circumstances and daytime symptoms can provide useful information for an appointment. If recording sleep becomes a source of anxiety, discuss how much information your clinician actually needs. Consumer sleep trackers cannot diagnose a mental health condition or establish the cause of waking during the night.

Seek urgent medical advice for a marked change in sleep accompanied by unusual energy, major behavioral changes or other serious symptoms. Seek emergency assistance for immediate danger, severe breathing difficulties or an inability to remain safe. In the United States, call or text 988 for mental health crisis support. Elsewhere, use an appropriate local crisis or emergency service.

The sleep-anxiety cycle illustrates why an effective response may involve several parts of your life. Supporting sleep does not require dismissing genuine worries, and receiving care for anxiety does not mean that a persistent sleep problem must be ignored. Both deserve attention in ways suited to your circumstances.

Frequently Asked Questions

Research And Further Reading

Alvaro, Roberts And Harris (2013), A Systematic Review Assessing Bidirectionality Between Sleep Disturbances, Anxiety, And Depression.

Ben Simon And Colleagues (2020), Overanxious And Underslept.

Sleep Disturbance In PTSD And Other Anxiety-Related Disorders (2020), Neuropsychopharmacology.

Scott And Colleagues (2021), Improving Sleep Quality Leads To Better Mental Health: A Meta-Analysis Of Randomised Controlled Trials.

Edinger And Colleagues (2021), American Academy Of Sleep Medicine Clinical Practice Guideline On Behavioral And Psychological Treatments For Chronic Insomnia.

National Heart, Lung, And Blood Institute (2022), Insomnia Diagnosis.

This article is educational and does not replace individualized medical or psychological assessment.