The National Institutes of Health (NIH) has written, "It is thought that some types of meditation might work by reducing activity in the sympathetic nervous system and increasing activity in the parasympathetic nervous system," or equivalently, that meditation produces a reduction in arousal and increase in relaxation.
National Institutes of Health (NIH) telah menulis, "Diperkirakan bahwa beberapa jenis meditasi mungkin bekerja dengan mengurangi aktivitas pada sistem saraf simpatis dan meningkatkan aktivitas dalam sistem saraf parasimpatis," atau sama dengan meditasi yang menghasilkan pengurangan ketegangan dan peningkatan relaksasi.