The relationship between sleep and mental health


Delve into the intricate relationship between sleep and mental health, uncovering the profound impact of rest on psychological well-being.

the relationship between sleep and mental health

Although sleep and rest occupy a third part of our lives, for a long time, in medicine and psychology, insufficient attention has been paid to the relationship between sleep and mental health.

Currently, thanks to numerous studies, we know that sleep is fundamental for physical health, development, the central nervous system, and emotional well-being.

It is estimated that approximately 50 to 70 million Americans suffer from sleep disorders that can have a negative impact on their health, with women being more prone than men to experience insomnia and sleep difficulties.Throughout the article, we will show you how sleep positively affects the mind and body, while sleep deprivation or lack of sleep has the opposite effect.

Beneficial Effects of Sleep

Sleep has a restorative effect on the body, both physically and mentally. For this to be possible and for rest to be of the necessary quality, the following factors must be present:

  • Continuous sleep
  • Deep sleep
  • REM sleep phase

Sleep not only needs to have a certain duration (ideally 7-8 hours), but it also needs to be of good quality.

Sleep is necessary for proper mental functioning, serving as a process to consolidate memories in the memory and manage learning. The brain, free from conscious thoughts, works uninterruptedly during sleep, organizing information gathered throughout the day and processing it, building knowledge and memories.

Getting the necessary hours of sleep and having a good restful sleep helps improve our mood, makes us feel more energetic, and enhances our ability to manage stress and negative emotions.

Importance of Sleep in Health

As we have seen, sleep has significant benefits for the body’s mental needs. Similarly, sleep deprivation can have serious negative consequences on psychological health.Sleep deprivation occurs when we cannot get the necessary hours of sleep and cannot achieve restful sleep.

During sleep, the brain continues to work on the production of neurotransmitters, including cortisol, also known as the stress hormone. Sleep interruptions can disrupt this nighttime brain function, affecting concentration, memory, and emotional stability.

Sleep deficiency can lead to problems with learning, concentration, and attention. A person’s behavior can be affected, with negative emotions prevailing and difficulty establishing appropriate social relationships.

Mental Health and Lack of Sleep

A recent study in 2016 demonstrated that a lack of proper rest through sleep can be related to the onset of severe mental disorders such as depression, anxiety, and even autism.

In fact, it appears that sleep disorders are related to a large number of mental disorders, potentially promoting one or another depending on the specific sleep factor that is altered. Constant interruptions in sleep continuity have been linked to the emergence of Asperger’s syndrome.

Disturbances in the REM phase of sleep, with insufficient REM phases, have been associated with a higher likelihood of developing autism.

Furthermore, imbalances in sleep depth can trigger different types of mental disorders, including anxiety disorders, ADHD, and schizophrenia. At the same time, many mental illnesses involve disruptions in sleep quality and/or difficulty falling asleep, reinforcing existing problems.

Common or less common mental disorders such as depression, post-traumatic stress disorder, obsessive-compulsive disorder, anxiety disorders, phobias, and bipolar disorder can cause sleep disturbances.

Strategies to Improve Sleep Quality

As you have observed, sleep quality is crucial for maintaining optimal psychological health.It is essential to establish a proper daily routine that allows you to relax and enjoy restful sleep.We have discussed some of these aspects more extensively in previous articles; you can find more information through the links provided in the text.

Tips for achieving quality sleep:

– Establish a sleep routine: set schedules, determine the number of hours of sleep. Establishing a routine where you go to bed and wake up at the same times every week helps regulate circadian rhythms.

– Watch your diet: avoid heavy or difficult-to-digest foods for dinner, opt for a light dinner. Avoid stimulating foods, drinks, and habits (caffeine, nicotine, dark chocolate, etc.).

– Create a suitable and cozy environment: consider the amount and type of light, the ideal sleeping temperature, and comfortable pillows.

Refrain from using electronic devices before going to bed.

– Practice meditation: yoga and meditation exercises can be very useful for relaxing the body, practicing deep breathing, and clearing the mind of stress and recurrent thoughts. You can find more details in the article on meditation for sleep.

– Breathe and relax: if you’re not into yoga and/or meditation, you can do breathing and relaxation exercises to help release stress and prepare the body and mind for rest.


The relationship between lack of sleep and mental health is undeniable. Prioritizing adequate sleep not only improves mental clarity and emotional stability but also contributes to a better overall quality of life. By adopting healthy sleep practices, we can strengthen our mental and emotional health, enabling us to face life’s challenges with greater resilience and well-being.