Scientists have shown that delta waves emitted while we sleep are not generalized periods of silence during which the cortex rests, as has been described for decades in the scientific literature.

Delta wave activity disruption during sleep may be a useful metric to identify those at an increased risk for cardiovascular disease and cardiovascular mortality. An international team of researchers ...

Practicing yoga nidra -- a kind of mindfulness training -- might improve sleep, cognition, learning, and memory, even in novices, according to a pilot study. After a two-week intervention with a ...