Can Anxiety Affect Sleep?

Yes, anxiety can affect sleep by making it harder to fall asleep, causing nighttime awakenings and, in some people, contributing to distressing dreams or nightmares. Read on to understand why and what helps.

If you have spent a few nights just lying awake, mulling over tomorrow’s meeting or the argument that you had three days ago, you already have the answer in your heart. But now we will give you an answer: Yes, definitely, anxiety does affect sleep, and the connection works two ways around. The anxious thoughts keep the brain too “awake” to allow it to sleep, and bad sleep leads to more anxiety the next day. It is a vicious circle, but once you understand the process behind it, you have won half the battle.

At Nirvan Hospital, Lucknow, Dr. Deeptanshu Agarwal often sees patients who come in saying they have “sleep problems” only to find out through a proper consultation that the real problem triggering them is anxiety. This blog explains the way in which anxiety interferes with sleep and what one can do about it.l

Why Anxiety and Sleep Are So Closely Linked

Sleep requires the nervous system to relax. In contrast, anxiety triggers your body’s fight-or-flight response, producing cortisol and adrenaline which originally served to make you prepared for threats rather than ready for sleep. Your brain perceives any possible threat as a real one regardless of whether it comes from the environment or results from a repetitive thought about impending deadlines at work or problems with family members.

It explains why individuals with an anxiety disorder have much more sleep disruptions than the average person, and why insomnia serves as a risk factor for developing anxiety as well.

How Does Anxiety Cause Insomnia?

Insomnia will likely be the first thing that alerts you to the fact that your anxiety is beginning to interfere with your sleep patterns. Insomnia is usually more insidious than the complete inability to fall asleep.

• Difficulty falling asleep: Staying awake for 30 minutes, an hour, or longer as worries and concerns race through your mind in the way of a never-ending to-do list or “what if” situations.
• Racing thoughts at bedtime: Once the silence begins to permeate the room, your anxious thoughts grow louder – a common theme expressed by many patients as being the most “active” part of their brain.
• Stressful physical factors: Too tight of a chest, twitching legs, or heartbeat that makes it physically hard for you to relax.
• Sleep anxiety: In time, some people find themselves afraid to go to sleep because of the expectation of another stressful night ahead.

Chronic insomnia due to anxiety is going to make you tired but also may impair your ability to concentrate, cause mood swings, weaken your immune system and possibly increase your blood pressure, among other issues.

Why Does Anxiety Cause You to Wake Up at Night?

Just falling asleep is not enough – people with anxiety often find that while they manage to sleep well initially, they wake up repeatedly through the night and cannot go back to sleep easily.

This is because anxiety ensures that even though the person falls asleep, the nervous system remains in an easily disturbed state of sleep. Some patterns seen commonly are:

• Awakening in the same hour every night (always from 2 till 4 a.m.) with the instant wakefulness
• Having an accelerated heartbeat or feeling sudden fear without any particular reason
• Counting how many hours of sleep are left until morning and checking the clock all the time
• Feeling exhausted mentally but still awake and unable to turn the mind off

Patients experiencing anxiety and sleep difficulties may present with concerns such as insomnia, nighttime waking or distressing dreams. A psychiatric assessment can help determine whether anxiety may be contributing to these symptoms.

Can Anxiety Cause Nightmares?

Not only does it prevent sleep onset, but also continues to haunt you during your dreams.

• Distressing or vivid dreams: Dreams that mirror the situations occurring in reality but in an exaggerated manner or a threatening way – running away from someone, flunking the exam, loss, or being trapped somewhere.
• Frequent night terrors or sleep arousal: Waking up in fear, sweating and your heart beating fast; not always recalling the dream but experiencing strong feelings of anxiety.
• Disturbance of REM sleep: Stress and anxiety hormones prevent you from falling into the REM sleep phase, which is the phase of vivid dreaming.
• It creates a vicious circle: Nightmares increase anxiety levels, which, in turn, makes it hard for you to go to sleep at night.

In case if nightmares are frequent, distressing and associated with any kind of trauma, it is important to have a talk with the psychiatrist.

How Can You Improve Sleep When You Have Anxiety?

Fortunately, there are highly effective treatments for anxiety disorders, especially when you combine good habits and professional intervention when required. Below is a list of helpful tips for overcoming anxiety disorders:

For the treatment of sleep problems that occur occasionally and are not severe, self-help is a good approach. However, when insomnia, night waking, and nightmares persist for weeks and occur together with constant worrying and restlessness or depressed feelings, then it is a clear indication that the anxiety condition requires special care.

When Should You See a Psychiatrist?

Think of seeking professional assistance in cases where you experience:

• Difficulty sleeping for periods exceeding 3-4 weeks
• Feeling very tired during daytime due to work, social life, and concentration challenges
• Persistent anxiety unrelated to any particular situation
• Nightmares associated with your traumatic past
• Need to drink alcohol or sleeping pills just to manage to fall asleep

Anxiety-induced problems with sleep are among the most frequent, yet easily treatable disorders observed in psychiatric practice. A correct diagnosis followed by an individualized therapy program guarantees significant progress within 2-3 weeks.

Key Takeaways

• Anxiety can significantly affect sleep, making it harder to fall asleep, stay asleep or return to sleep after waking.
• Insomnia, nighttime waking and distressing dreams can occur alongside anxiety, although sleep symptoms can have many different causes.
• Poor sleep can also make anxiety harder to manage, creating a cycle in which anxiety and sleep difficulties reinforce each other.
• Good sleep habits such as maintaining a consistent sleep schedule, reducing evening stimulation, practising relaxation techniques and limiting caffeine can support better sleep.
• Persistent sleep problems should not be ignored. If anxiety, insomnia or nightmares continue for several weeks or interfere with daily functioning, professional assessment may be appropriate.
• Treatment depends on the underlying cause and individual needs. Options may include psychological therapies such as CBT-I or other therapy, with medication considered when clinically appropriate.

Final Thoughts

It’s well understood that anxiety and sleep influence each other negatively, but what that also means is that by helping one, you help the other too. Whatever the reason for your trouble with sleep – be it insomnia, night time waking, or nightmares that cause you to dread going to bed – these are all identifiable, common, and treatable issues, rather than conditions that are beyond your control.

Dr. Deeptanshu Agarwal, a consulting psychiatrist with over a decade of experience working with Nirvan Hospital, Lucknow, uses an evidence-based approach for treating anxiety and associated problems with sleep.

Frequently Asked Questions