Quality Sleep, Sound Mind: The Influence of Sleep Habits on Your Mental Health

You may find yourself scrolling through your phone at night while relaxing in bed or on the couch. Or leaving your TV on to bask in its soothing background noise as you attempt to fall asleep at the end of a long day. 

It may seem harmless, but did you know this can overstimulate your brain before sleep? Even if you doze off immediately, extra light and sensory input can lead to less-than-optimal sleep.

If this describes you, you certainly are not alone. Even knowing that phones and televisions add unnecessary stimulation doesn’t help us change habits we started years ago. 

In a study by the University of North Carolina in 2021, participants who averaged six or fewer hours of sleep per night were about 2.5 times more likely to experience frequent mental distress¹ than those who routinely slept more than 6 hours.

In this article, we’ll explore how sleep affects mental health in-depth, including some takeaways you can apply as you prepare for sleeping as soon as tonight.

The Impact of Sleep on Mental Health: Unraveling the Complex Relationship

Does sleep affect mental health? Absolutely. 

The link between sleep and mental health is a powerful one. It’s a two-way street, with sleep influencing mental health and mental health influencing sleep. 

Sleep plays a role in two critical neurological processes:

1. Emotional regulation
2. Cognitive function 

Rapid Eye Movement (REM) sleep, or dream sleep, is associated with emotional regulation, which is the key to mental health. REM sleep helps your brain process and make sense of emotional experiences, contributing to better emotional resilience.²

Therefore, your sleep habits, including sleep quality and consistency, profoundly impact your mood and emotional resilience. 

Poor sleep quality, frequent awakenings, and irregular sleep patterns can lead to mood disturbances, such as:

• irritability
• anxiety
• depression

Sleep disturbances can exacerbate existing mental health conditions and reduce emotional resilience, making it harder for individuals to cope with stressors.²

Finding the right balance of sleep duration is crucial for maintaining emotional equilibrium. Too little sleep is linked with an increased risk of mood disorders, and too much sleep may indicate depression. Your need for sleep is unique but generally falls within 7-9 hours³ for adults.

Understanding Sleep Hygiene: Building the Foundation for Restorative Slumber

What is Sleep Hygiene? 

Sleep hygiene is a term used to describe practices and habits that promote healthy sleep.

These practices encompass aspects of daily life, from the bedroom environment to bedtime routines and lifestyle choices. 

Sleep hygiene aims to create an optimal sleep environment and routine that helps you fall asleep faster and wake up refreshed.

5 Elements of Effective Sleep Hygiene

Sleep hygiene involves daily habits⁴, such as:

• optimizing your bedroom environment (making it dark and quiet and keeping the temperature cool and comfortable)
• avoiding stimulating activities, such as exercise, close to bedtime
• limiting caffeine too close to bedtime
• limiting overall alcohol intake 
• establishing a consistent sleep schedule

Going to bed and waking up at consistent times every day, even on weekends, helps regulate your body’s internal clock or circadian rhythm. 

5 Tips to Create a Relaxing Bedtime Ritual 

A relaxing bedtime ritual⁵ can signal to your body that it’s time to wind down and prepare for sleep. Your bedtime routine can include the following:

• reading a book
• practicing gentle stretching or yoga
• taking a warm bath or shower
• avoiding TV, phone use, or tablets before bed (give yourself at least one hour without screens before bed)
• engaging in calming activities that promote relaxation

4 Mindfulness Techniques for Better Sleep 

Mindfulness techniques can help calm the mind and reduce stress, improving sleep quality. Bonus: they don’t need to take hours out of your evening. 

Some mindfulness approaches⁶ to try::

• deep breathing exercises
• progressive muscle relaxation
• meditation
• guided imagery 

Optimizing Sleep Environment for Mental Well-being

Your sleep environment significantly determines your sleep quality. Temperature, light, and noise are three key factors impacting your sleep and mental well-being.⁷

• Temperature Control. A room temperature between 60 and 67 degrees Fahrenheit is ideal. Extreme temperatures can disrupt sleep by causing discomfort and affecting your body’s ability to regulate sleep cycles.
• Light Control. Darkness promotes the release of melatonin, a hormone that regulates sleep. Minimizing exposure to artificial light before bedtime can help signal the body that it’s time to wind down. Blackout curtains and dimming lights can encourage sleep.
• Noise Control. Noise from traffic, neighbors, or animals can disrupt sleep and lead to compromised rest. White noise machines or fans can help mask disruptive sounds and create a more peaceful sleep environment. Use earplugs if someone in your house snores loudly.

6 Ways to Create a Sleep-Friendly Bedroom 

Creating a sleep-conducive environment can significantly enhance sleep quality and improve mental well-being. It’s an often-overlooked aspect of self-care that can profoundly impact overall health.

Some ideas to consider when creating a bedroom sleep sanctuary include the following:

• Choose soothing wall and decor colors. Opt for calming, neutral colors that create a peaceful atmosphere in your bedroom.
• Use comfortable mattress and bedding. Invest in a comfortable mattress and high-quality bedding that supports a good night’s sleep.
• Declutter your space. A clutter-free environment can reduce stress and create a sense of calm.
• Relocate your electronics. Keep electronic devices out of your bedroom; consider charging them in your kitchen or living area instead.
• Personalize Your Space. Make your bedroom a place you enjoy being in, with personal touches that make you feel comfortable and serene.
• Moderate Decoration. Keep your space personal, but avoid excessive decorations that might overstimulate your senses.

The Toll of Poor Sleep Habits on Mental Well-being

Inadequate sleep can lead to various negative consequences for cognitive function and mood, including the following:

• cognitive impairment
• mood disorders 
• emotional instability
• reduced tolerance for stress

There’s a connection between poor sleep and cognitive functions, such as decreased attention and difficulty with decision-making. Sleep disruption can worsen existing mood disorders.⁸ 

Additionally, sleep deprivation can increase emotional instability and stress, potentially resulting in difficulty coping with daily challenges. As a result, your body’s ability to manage stress⁹ may decrease.

The relationship between sleep and mood regulation is closely linked through complex biological mechanisms involving serotonin, dopamine, and norepinephrine. Sleep disruptions can affect these mechanisms and throw them off balance, leading to mood imbalances.⁹ Additionally, poor sleep can increase your levels of anxiety.¹⁰

Seeking Professional Help: When Sleep Habits Impact Mental Health

When your sleep habits start impacting your mental health, professional help might be the missing link to your overall well-being. A doctor or sleep specialist can help you recognize when poor sleep indicates an underlying sleep disorder. Sleep disorders include insomnia, sleep apnea, narcolepsy, and restless leg syndrome (RLS). 

Many sleep disorders are interconnected with mental health issues. For example, insomnia can make anxiety and depression symptoms worse, while sleep apnea might contribute to mood disturbances due to disrupted sleep patterns.

Sleep specialists and mental health professionals may collaborate to offer an integrated approach to managing sleep-related mental health issues. This type of holistic care emphasizes overall well-being and significantly improves your quality of life.¹¹

Takeaway

Addressing sleep problems can have a positive impact on mental health. You can improve your mental well-being by implementing healthy sleep hygiene practices, seeking professional help, and addressing underlying factors contributing to sleep disturbances. Similarly, managing any mental health conditions you may be experiencing can enhance the quality of your sleep.

Remember, achieving optimal mental health and quality sleep is an ongoing journey that requires patience and self-care. 

By nurturing your sleep habits, you can experience improved overall health, increased resilience, and a greater capacity to navigate life’s challenges.

Prioritizing quality sleep isn’t selfish. So, make a conscious decision today to honor your body’s need for rest and rejuvenation. 

Sources

1. Blackwelder A, Hoskins M, Huber L. Effect of Inadequate Sleep on Frequent Mental Distress. Preventing Chronic Disease. 2021;18(18).
2. Vandekerckhove M, Wang Y. Emotion, emotion regulation and sleep: An intimate relationship. AIMS Neuroscience. 2017;5(1):1-17.
3. CDC. CDC – How Much Sleep Do I Need? – Sleep and Sleep Disorders. CDC. Published September 14, 2022.
4. CDC. Sleep hygiene tips – sleep and sleep disorders. Centers for Disease Control and Prevention. Published September 13, 2022.
5. Markwald RR, Iftikhar I, Youngstedt SD. Behavioral Strategies, Including Exercise, for Addressing Insomnia. ACSM’s health & fitness journal. 2018;22(2):23-29.
6. Mindfulness for Your Health. NIH News in Health. Published June 1, 2021.
7. Billings ME, Hale L, Johnson DA. Physical and Social Environment Relationship With Sleep Health and Disorders. Chest. 2020;157(5):1304-1312.
8. Verkhratsky A, Nedergaard M, Steardo L, Li B. Editorial: Sleep and Mood Disorders. Frontiers in Psychiatry. 2020;10.
9. Nollet M, Wisden W, Franks NP. Sleep deprivation and stress: a reciprocal relationship. Interface Focus. 2020;10(3):20190092
10. Columbia University Department of Psychiatry. How Sleep Deprivation Impacts Mental Health. Columbia University Department of Psychiatry. Published March 14, 2022.
11. Edinger JD, Grubber J, Ulmer C, Zervakis J, Olsen M. A Collaborative Paradigm for Improving Management of Sleep Disorders in Primary Care: A Randomized Clinical Trial. Sleep. 2016;39(1):237-247.

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Written By

Rychel Johnson, M.S., LCPC

Licensed Clinical Professional Counselor

Rychel Johnson, M.S., LCPC, is a licensed clinical professional counselor in Kansas. She owns a private practice, Empower Mental Wellness, specializing in anxiety treatment and social skills development. Rychel also enjoys extensive road trips and spending time with her husband, toddler, and two cats.