The Science of Yoga Nidra

Yoga Nidra is referred to as yogic sleep. It is a deeply relaxing and meditative practice that has its roots in the ancient Indian Yogic traditions. Yoga Nidra is a systematic form of guided relaxation that aims to induce a state of conscious deep sleep. In this state the body is completely relaxed. But the mind remains alert and aware.

Scientific research helps explain the science behind Yoga Nidra’s benefits. Here are scientific reasons for the benefits of Yoga Nidra.

The Science Behind Yoga Nidra

1. Relaxation Response

Yoga Nidra triggers the body’s relaxation response. This is the opposite of the stress-induced “fight-or-flight” response. During the practice – the parasympathetic nervous system is activated. This leads to decreased heart rate, lowered blood pressure and reduced muscle tension.

2. Alpha and Theta Brainwaves

When led by an expert practitioner, brainwave activity changes during Yoga Nidra. Studies show an increase in alpha and theta brainwaves which are associated with a relaxed and meditative state. Alpha waves are linked to wakeful relaxation, while theta waves are observed during deep relaxation and meditation.

3. Stress Reduction

Regular practice of Yoga Nidra reduces stress and anxiety levels. Research suggests that it positively impacts the hypothalamus-pituitary-adrenal (HPA) axis, which plays a key role in the body’s stress response.

4. Improved Sleep

The practice of Yoga Nidra improves sleep quality. By inducing a state of deep relaxation and tranquility, it helps alleviate insomnia and other sleep-related issues.

5. Emotional Balance

Yoga Nidra helps in managing emotions and improving emotional well-being. Studies have shown that Yoga Nidra can lead to increased emotional regulation and resilience.

6. Mindfulness and Awareness

Yoga Nidra promotes heightened awareness and mindfulness. And you are also led to observe your thoughts, emotions and sensations without judgment. This increases self-awareness and self-reflection.

7. Enhanced Memory and Learning

Research also suggests that Yoga Nidra has positive effects on memory, learning and cognitive performance.

8.Yoga Nidra Reduces Depression, Anxiety & PTSD

Studies found that Yoga Nidra reduced symptoms of depression, anxiety and post-traumatic stress disorder (PTSD).

Is All Yoga Nidra the Same?

It’ is important to note that while Yoga Nidra offers multiple potential benefits, individual experiences can vary. Scientific research in this area is ongoing. The level of experience of the Yoga Nidra guide is of utmost important. Choose a guide who has a long term personal practice and understands the context of Yoga Nidra within the Yogic Tradition. Please note that Yoga Nidra has the ability to impact your brain waves. Choose a guide whom you trust with your mental state.

IYogaa Yoga Nidra  is led by Dr Nitasha Buldeo, she is a long term practitioner of Yoga Nidra & studies sleep, human performance and altered states of consciousness. Nitasha is passionate about creating wellbeing in everything that she does. We recommend that you try a practice with her to experience the true power of Yoga Nidra.

How to Enhance the Effects of Yoga Nidra?

Complement Yoga Nidra with other healthy lifestyle choices, such as regular physical activity, a balanced diet, and sufficient sleep.

More Information

As with any new practice or if you have any specific health concerns, it is advisable to consult a qualified instructor or healthcare professional to ensure that Yoga Nidra is suitable for your unique needs and circumstances. For more information on Yoga Nidra please email us at

IYogaa offers Yoga classes for all levels and needs.

Our practice is based on classical Yoga fused with modern neuroscience.

All our classes and programmes are structured and progressive – to help you deepen your Yoga journey. 

We also offer our IYogaa Foundation Programme – a 12-week program that gives you complete grounding in Yoga while improving both physical and mental wellbeing.

It is ideal for anybody who wants to function at their best.

Copyright © 2023 IYogaa. All Rights Reserved.