Key Takeaways

• Anxiety and insomnia often occur together because the nervous system remains in a state of alertness.

• Sleep becomes difficult when the nervous system does not yet feel safe enough to fully settle.

• Nervous system regulation develops through a set of conditions that shape how the body responds to stress.

• The Six Foundations of Regulation are safety, attachment, authenticity, connection, agency, and rhythm.

• When these foundations are strengthened, the nervous system can gradually release vigilance and restore natural sleep.

• Addressing the nervous system often leads to improvements not only in sleep, but also in anxiety, energy, and overall wellbeing.

Anxiety and insomnia often create a quiet but persistent struggle that unfolds mostly behind closed doors.

Many people experience restless nights, difficulty falling asleep, or waking in the early hours while the mind continues moving long after the day has ended. The body longs for sleep, yet the nervous system remains alert. Over time, sleep can begin to feel increasingly elusive.

When sleep problems continue for weeks or months, people understandably begin searching for answers. They adjust their bedtime routine, explore supplements, reduce screen time, or try techniques designed to quiet the mind. Some of these approaches may provide temporary relief, yet the pattern of anxiety and insomnia often continues.

What is frequently overlooked is the role of the nervous system.

Anxiety and insomnia are rarely random disruptions. In many cases they reflect a nervous system that has learned, through experience, to remain alert. The human nervous system is designed above all to ensure survival. When it senses threat or instability, it increases vigilance, sharpens awareness, and prepares the body to respond.

These responses are intelligent and protective. However, when the nervous system spends extended periods operating in this state of alertness, sleep becomes difficult to access.

Understanding the relationship between anxiety, insomnia, and nervous system regulation changes the conversation entirely. Instead of asking why sleep has become so difficult, a more useful question begins to emerge:

What conditions allow the nervous system to settle enough for sleep to return?

Why Anxiety Makes Sleep Difficult

Sleep requires the nervous system to feel safe enough to release vigilance.

When anxiety is present, the nervous system remains activated. Thoughts continue circulating, the body stays prepared for action, and the system continues scanning for potential threat. Even when a person feels physically exhausted, the nervous system may struggle to shift into the state required for deep rest.

This is why anxiety and insomnia frequently appear together.

Many people describe lying in bed with a racing mind, waking during the night with a surge of alertness, or feeling unable to return to sleep once they wake. These experiences are not signs of failure or lack of discipline. They are signals that the nervous system is still operating in a protective mode.

To understand how sleep returns, it helps to look at the conditions that support nervous system regulation.

The Six Foundations of Regulation

Through my work supporting people with anxiety and insomnia, I describe these conditions as The Six Foundations of Regulation.

Nervous system regulation develops within relationships, environments, and daily rhythms. When the foundations below are supported, the nervous system learns flexibility and resilience. When one or more foundations become strained, the system may remain alert for extended periods of time.

Safety

The nervous system constantly evaluates whether the environment feels safe.

This process begins earlier than many people realise. The foundation of safety already starts developing in the womb. During pregnancy, the developing nervous system is influenced by the mother’s physiological state. When a mother experiences ongoing stress or anxiety, stress hormones such as cortisol circulate through the body and can reach the developing baby.

The fetus is not consciously aware of these experiences, yet the developing nervous system is already learning from the surrounding environment. In this way, early patterns of alertness or calm can begin forming even before birth.

After birth, experiences of consistent care, emotional attunement, and predictable responses continue shaping the nervous system. When safety is experienced repeatedly, the body learns that it can settle and restore itself.

When safety has been inconsistent or uncertain, the nervous system may remain more vigilant, continuing to scan the environment even in situations that appear calm on the surface.

Attachment

After birth, the nervous system continues learning about safety through close relationships.

Attachment describes the bond that forms between a child and their caregivers. In the early years of life, the nervous system is still developing and does not yet have the capacity to regulate strong emotions independently. Instead, it relies on the presence and responsiveness of others.

When a baby becomes distressed, a caregiver’s voice, touch, eye contact, and calm presence help the child’s nervous system settle. Through thousands of these small interactions, the developing nervous system learns how to move from activation back into calm. This process is often referred to as co-regulation.

Over time, these repeated experiences form internal patterns within the nervous system. The child gradually develops the capacity to regulate emotions, manage stress, and return to balance.

When attachment relationships are secure and responsive, the nervous system develops a stable foundation for emotional and physiological regulation. When those experiences are inconsistent, unpredictable, or absent, the nervous system may remain more vigilant, carrying forward patterns of alertness that can later appear as anxiety or sleep difficulties.

Authenticity

A regulated nervous system requires space for authentic emotional expression.

When emotions can be expressed openly and received with understanding, the body learns that feelings can move through safely. Emotional experiences become part of the natural flow of life rather than something that must be suppressed or hidden.

When emotions are repeatedly held back, the nervous system may carry ongoing tension and vigilance.

Connection

Human beings are deeply social, and our nervous systems expect connection with others.

Connection includes relationships, friendships, and a sense of belonging within community. These experiences provide reassurance and shared safety that support long-term nervous system regulation.

Periods of isolation or disconnection can increase stress responses within the nervous system.

Agency

Agency refers to the ability to sense internal signals and respond to them.

This includes awareness of bodily sensations, recognising personal limits, expressing boundaries, and making choices that align with internal needs.

When agency develops, individuals begin to trust their own signals and respond accordingly, which supports both emotional wellbeing and nervous system regulation.

Rhythm

The nervous system is deeply influenced by biological rhythm.

Daily cycles of light and darkness, breathing patterns, movement, and regular routines all shape how the nervous system functions. Rhythm anchors the body within predictable patterns that support recovery and balance.

Consistent sleep timing, exposure to natural light, and regular movement all support the restoration of healthy sleep and nervous system regulation.

Why Restoring These Foundations Helps Anxiety and Insomnia

When one or more foundations of regulation are under strain, the nervous system may remain alert even when the mind wishes to rest. The body continues preparing for potential threat, making sleep difficult to access.

As the foundations of regulation strengthen, the nervous system gradually learns that constant vigilance is no longer required. Sleep becomes easier to access, anxiety begins to settle, and the body regains its capacity for natural restoration.

This process rarely happens overnight. Nervous system regulation develops gradually as the body experiences safety, connection, emotional expression, personal agency, and consistent rhythm again.

Restoring Sleep Through Nervous System Regulation

In my work through Project Pure, I support people experiencing anxiety and insomnia through a therapeutic approach called Deep Release Therapy (DRT).

Rather than focusing solely on sleep techniques, this approach explores the deeper patterns that may be keeping the nervous system in a state of alertness. As these patterns begin to shift, many people notice changes not only in sleep but also in emotional balance, energy levels, and overall wellbeing.

Working with clients experiencing anxiety and insomnia in Christchurch, I often see that when the foundations of regulation are restored, the nervous system gradually remembers how to settle.

Sleep becomes accessible again.
Calm returns to the body.
Life begins to feel more spacious.

A Different Way to Understand Anxiety and Insomnia

Anxiety and insomnia are often signals from a nervous system that has learned to remain alert.

When the foundations of regulation are restored, the body gradually recognises that it no longer needs to maintain that constant vigilance.

Sleep returns more naturally.
Energy becomes more stable.
The nervous system rediscovers its capacity for calm.

Understanding nervous system regulation offers a pathway back to balance, allowing the body to restore the conditions that support deep, restorative sleep.

About the Author

Annelies Basten, MPsych, is a psycho-somatic therapist and founder of Project Pure. Her work focuses on nervous system regulation and the restoration of healthy sleep.

Drawing from psychology, trauma-informed therapy, meditation, and her own lived experience of recovering from chronic insomnia, she supports people experiencing anxiety and sleep difficulties through a therapeutic approach called Deep Release Therapy (DRT).

Annelies works with clients in Christchurch (in-person or online), helping them restore the foundations of regulation so the nervous system can settle and natural sleep can return.