evidence: Mixed effects model analysis revealed that mean sleep disturbance symptoms in the MBB (p = .0029) and MM (p = .0499) groups were lower than in the SHE group, indicating that both mind–body interventions improved sleep.
intervention: Mind–Body Bridging (MBB)  and Mindfulness Meditation (MM) 
comparator: sleep hygiene education (SHE)
outcome: Positive and Negative Affect