Also known as: non-sleep deep rest, yoga nidra, NSDR
Latest evidence update: 2026-04-30
Guided relaxation protocol that promotes deep rest without sleep. Shown to restore dopamine levels and enhance learning.
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Yoga Nidra practice is associated with significant improvements in heart rate variability low to high frequency ratio compared to active control groups.
Progressive muscle relaxation effectively improves postoperative sleep quality with 35.2% probability of being the optimal intervention.
Progressive Muscle Relaxation improves sleep quality in adults.
Yoga Nidra reduces depression symptoms compared to no comparator with a moderate effect size.
Progressive muscle relaxation increased offspring birth weight by 165 grams in subgroup analysis.