Table 1.

Demographic information of the groups of meditators and non-meditators.

	Meditators		Non-meditators
	Kundalini yoga • pKYM • dKYM	Chinese Chi meditation • pCCM • dCCM	Spontaneous nocturnal breathing	Metronomic breathing
Age	20–52	26–35	20–35	20–35
Mean age	33	29	29	25
Gender	2 women, 2 men	5 women, 3 men	8 women, 3 men	9 women, 5 men