Mimo monitors breathing, temperature and sleeping position. All of these are factors in cot death according to easily searchable research.
The decline in SIDS over the last 2 decades tracks the education of parents not to put infants to sleep on their stomachs.
Looks to me like a hell lot of problems added to what I would already have with the baby alone. My parents had me in their room and I survived. Others died. Maybe that's just the way it is.
"Angelcare voluntarily recalled 600,000 under-mattress sensor pads after two infants died of strangulation when the cord attached to the pad wrapped around their necks" - http://www.slate.com/articles/life/family/2014/02/mimo_and_o...
Strangulation by baby monitor is correlated with having a baby monitor.